*/*: Use source instead of dot

Signed-off-by: Maria Lisina <sekoohaka.sarisan@gmail.com>

46 files changed, 214 insertions, 214 deletions

diff --git a/auth/donmai.zsh b/auth/donmai.zsh
index e957fd8..2f2e500 100644
--- a/auth/donmai.zsh
+++ b/auth/donmai.zsh
@@ -19,7 +19,7 @@ then
     output_text="Failed to access ${ib_name} API"
 
     log_text="ib_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -29,7 +29,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="ib_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
diff --git a/auth/moebooru.zsh b/auth/moebooru.zsh
index 1c3d573..f23f887 100644
--- a/auth/moebooru.zsh
+++ b/auth/moebooru.zsh
@@ -20,7 +20,7 @@ then
     output_text="Failed to access ${ib_name} API"
 
     log_text="ib_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
diff --git a/auth/sankakucomplex.zsh b/auth/sankakucomplex.zsh
index 3eabc78..000b4ef 100644
--- a/auth/sankakucomplex.zsh
+++ b/auth/sankakucomplex.zsh
@@ -27,7 +27,7 @@ then
     output_text="Failed to access ${ib_name} API"
 
     log_text="ib_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -37,7 +37,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="ib_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
diff --git a/bot.zsh b/bot.zsh
index 08eb062..038d03f 100755
--- a/bot.zsh
+++ b/bot.zsh
@@ -415,20 +415,20 @@ alias htmlescape="sed -e 's/</\&#60;/g' -e 's/>/\&#62;/g'"
 alias urlencode="jq -Rr @uri"
 
 log_text="PID: ${$}"
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 log_text="CWD: $(pwd)"
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 log_text="Creating directories..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 rm -fr "${cache}"
 mkdir -p "${cache}"
 mkdir -p "${users}"
 
 log_text="Retrieving bot information..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 if ! input_data="$(
     curl --connect-timeout ${connrefused_timeout} \
@@ -444,7 +444,7 @@ if ! input_data="$(
 )"
 then
     log_text="getMe: Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 1
 fi
@@ -452,7 +452,7 @@ fi
 if ! jq -e '.' <<< "${input_data}" > /dev/null
 then
     log_text="getMe: An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 1
 fi
@@ -468,29 +468,29 @@ then
         log_text="getMe: An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
     exit 1
 fi
 
 username="$(jq -r '.result.username' <<< "${input_data}")"
 
 log_text="Bot: ${username}"
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 log_text="Running files age check..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 for file in aliases blacklist donate help whitelist
 do
     log_text="files/${file}.txt"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     if [[ -f "${files}/${file}.txt" ]]
     then
         if [[ "${files}/${file}.txt" -ot "${files}/${file}.txt.default" ]]
         then
             log_text="Warning: File ${file}.txt is older than ${file}.txt.default"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
         fi
     else
         < "${files}/${file}.txt.default" > "${files}/${file}.txt"
@@ -498,37 +498,37 @@ do
 done
 
 log_text="Running files length check..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 for file in donate help
 do
     log_text="files/${file}.txt"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     file_content="$(< "${files}/${file}.txt")"
 
     if [[ ${#file_content} -gt 4096 ]]
     then
         log_text="Error: File ${file}.txt exceeds 4096 characters limit"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
     fi
 done
 
 log_text="Running help command check..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 help_content="$(sed "s/{version_placeholder}/${version}/" "${files}/help.txt")"
 
 if [[ ${#help_content} -lt 1 ]]
 then
     log_text="Error: File help.txt must be at least 1 character long"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 1
 fi
 
 log_text="Running donate command check..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 donate_content="$(< "${files}/donate.txt")"
 
@@ -537,18 +537,18 @@ then
     nocommand_donate=0
 
     log_text="Warning: File donate.txt is empty, donate command is disabled"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 log_text="Running source command check..."
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 if [[ -z "${allow_source}" && "${api_address}" != "${local_address}" && "${api_address}" != "${default_address}" ]]
 then
     nocommand_source=0
 
     log_text="Warning: You are running bot with unknown Telegram Bot API instance, source command is disabled"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 else
     if ! input_data="$(
         curl --connect-timeout ${connrefused_timeout} \
@@ -565,7 +565,7 @@ else
     )"
     then
         log_text="getUserProfilePhotos: Failed to access Telegram Bot API"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -573,7 +573,7 @@ else
     if ! jq -e '.' <<< "${input_data}" > /dev/null
     then
         log_text="getUserProfilePhotos: An unknown error occurred"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -589,7 +589,7 @@ else
             log_text="getUserProfilePhotos: An unknown error occurred"
         fi
 
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
         exit 1
     fi
 
@@ -598,7 +598,7 @@ else
     if [[ -z "${profilephoto}" || "${profilephoto}" == "null" ]]
     then
         log_text="Error: Bot must have profile photo to run source command check"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -618,7 +618,7 @@ else
     )"
     then
         log_text="getFile: Failed to access Telegram Bot API"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -626,7 +626,7 @@ else
     if ! jq -e '.' <<< "${input_data}" > /dev/null
     then
         log_text="getFile: An unknown error occurred"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -642,7 +642,7 @@ else
             log_text="getFile: An unknown error occurred"
         fi
 
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
         exit 1
     fi
 
@@ -655,7 +655,7 @@ else
             nocommand_source=0
 
             log_text="Error: Cannot access Telegram Bot API working directory, source command is disabled"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
         fi
     else
         if ! input_data="$(
@@ -673,7 +673,7 @@ else
             nocommand_source=0
 
             log_text="Error: Failed to download file, source command is disabled"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
         fi
 
         if [[ "$(jq -r '.ok' <<< "${input_data}")" == "false" ]]
@@ -688,7 +688,7 @@ else
                 log_text="Error: An unknown error occurred, source command is disabled"
             fi
 
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
         fi
     fi
 fi
@@ -711,7 +711,7 @@ then
     )"
     then
         log_text="SauceNAO: Failed to access SauceNAO API"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -719,7 +719,7 @@ then
     if ! jq -e '.' <<< "${input_data}" > /dev/null
     then
         log_text="SauceNAO: An unknown error occurred"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         exit 1
     fi
@@ -731,19 +731,19 @@ then
         ;;
         (-2)
             log_text="SauceNAO: Rate limit exceeded, try again later"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
 
             exit 1
         ;;
         (-1)
             log_text="SauceNAO: Invalid API key"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
 
             exit 1
         ;;
         (*)
             log_text="SauceNAO: An unknown error occurred"
-            . "${units}/log.zsh"
+            source "${units}/log.zsh"
 
             exit 1
         ;;
@@ -763,11 +763,11 @@ fi
 strftime %s > "${cache}.timer"
 
 log_text="Startup succeeded"
-. "${units}/log.zsh"
+source "${units}/log.zsh"
 
 while trap 'wait && exit 0' INT TERM
 do
-    . "${mods}/timer.zsh" &
+    source "${mods}/timer.zsh" &
 
     if ! input_data="$(
         curl --connect-timeout ${connrefused_timeout} \
@@ -785,7 +785,7 @@ do
     )"
     then
         log_text="getUpdates: Failed to access Telegram Bot API, sleeping for ${sleep_time} seconds"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         sleep ${sleep_time}
         continue
@@ -794,7 +794,7 @@ do
     if ! jq -e '.' <<< "${input_data}" > /dev/null
     then
         log_text="getUpdates: An unknown error occurred, sleeping for ${sleep_time} seconds"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         sleep ${sleep_time}
         continue
@@ -811,7 +811,7 @@ do
             log_text="getUpdates: An unknown error occurred, sleeping for ${sleep_time} seconds"
         fi
 
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         sleep ${sleep_time}
         continue
@@ -827,14 +827,14 @@ do
     if ! update="$(jq -c '.result.[0]' <<< "${input_data}")"
     then
         log_text="Failed to write update data"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         continue
     fi
 
     for module in callback commands inline source
     do
-        . "${mods}/${module}.zsh" &
+        source "${mods}/${module}.zsh" &
     done
 
     offset=$((update_id + 1))
diff --git a/modules/callback.zsh b/modules/callback.zsh
index 84fb21a..baffad8 100644
--- a/modules/callback.zsh
+++ b/modules/callback.zsh
@@ -12,7 +12,7 @@ fi
 user_id="$(jq -r '.callback_query.from.id' <<< "${update}")"
 query_id="$(jq -r '.callback_query.id' <<< "${update}")"
 
-. "${units}/user.zsh"
+source "${units}/user.zsh"
 set -- ${callback_query[@]}
 
 command="${1}"
@@ -20,22 +20,22 @@ shift
 
 case "${command}" in
     ("delete")
-        . "${submods}/callback_delete.zsh"
+        source "${submods}/callback_delete.zsh"
     ;;
     ("post")
-        . "${submods}/callback_post.zsh"
+        source "${submods}/callback_post.zsh"
     ;;
     ("reset")
-        . "${submods}/callback_reset.zsh"
+        source "${submods}/callback_reset.zsh"
     ;;
     ("short")
-        . "${submods}/callback_short.zsh"
+        source "${submods}/callback_short.zsh"
     ;;
     ("stop")
-        . "${submods}/callback_stop.zsh"
+        source "${submods}/callback_stop.zsh"
     ;;
     ("tags")
-        . "${submods}/callback_tags.zsh"
+        source "${submods}/callback_tags.zsh"
     ;;
     (*)
         exit 0
@@ -77,7 +77,7 @@ then
         notification_text="Failed to update message"
 
         log_text="editMessageText (${update_id}): Failed to access Telegram Bot API"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
     fi
 
     if [[ -z "${notification_text}" ]] && ! jq -e '.' <<< "${output_data}" > /dev/null
@@ -85,7 +85,7 @@ then
         notification_text="An unknown error occurred"
 
         log_text="editMessageText (${update_id}): An unknown error occurred"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
     fi
 
     if [[ -z "${notification_text}" && "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -100,7 +100,7 @@ then
             log_text="editMessageText (${update_id}): An unknown error occurred"
         fi
 
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
     fi
 fi
 
@@ -121,7 +121,7 @@ if ! output_data="$(
 )"
 then
     log_text="answerCallbackQuery (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -129,7 +129,7 @@ fi
 if ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="answerCallbackQuery (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -145,5 +145,5 @@ then
         log_text="answerCallbackQuery (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
diff --git a/modules/commands.zsh b/modules/commands.zsh
index 0eeeeeb..d2401a6 100644
--- a/modules/commands.zsh
+++ b/modules/commands.zsh
@@ -26,7 +26,7 @@ then
     unset message_thread_id
 fi
 
-. "${units}/user.zsh"
+source "${units}/user.zsh"
 set -- ${command_query[@]}
 
 command="${1}"
@@ -34,49 +34,49 @@ shift
 
 case "${command}" in
     ("/authorize" | "/authorize@${username}")
-        . "${submods}/command_authorize.zsh"
+        source "${submods}/command_authorize.zsh"
     ;;
     ("/donate" | "/donate@${username}")
-        . "${submods}/command_donate.zsh"
+        source "${submods}/command_donate.zsh"
     ;;
     ("/export" | "/export@${username}")
-        . "${submods}/command_export.zsh"
+        source "${submods}/command_export.zsh"
     ;;
     ("/hash" | "/hash@${username}")
-        . "${submods}/command_hash.zsh"
+        source "${submods}/command_hash.zsh"
     ;;
     ("/help" | "/help@${username}")
-        . "${submods}/command_help.zsh"
+        source "${submods}/command_help.zsh"
     ;;
     ("/original" | "/original@${username}")
-        . "${submods}/command_original.zsh"
+        source "${submods}/command_original.zsh"
     ;;
     ("/ping" | "/ping@${username}")
-        . "${submods}/command_ping.zsh"
+        source "${submods}/command_ping.zsh"
     ;;
     ("/post" | "/post@${username}")
-        . "${submods}/command_post.zsh"
+        source "${submods}/command_post.zsh"
     ;;
     ("/prpr" | "/prpr@${username}")
-        . "${submods}/command_prpr.zsh"
+        source "${submods}/command_prpr.zsh"
     ;;
     ("/short" | "/short@${username}")
-        . "${submods}/command_short.zsh"
+        source "${submods}/command_short.zsh"
     ;;
     ("/shorts" | "/shorts@${username}")
-        . "${submods}/command_shorts.zsh"
+        source "${submods}/command_shorts.zsh"
     ;;
     ("/source" | "/source@${username}")
-        . "${submods}/command_source.zsh"
+        source "${submods}/command_source.zsh"
     ;;
     ("/start" | "/start@${username}")
-        . "${submods}/command_help.zsh"
+        source "${submods}/command_help.zsh"
     ;;
     ("/stop" | "/stop@${username}")
-        . "${submods}/command_stop.zsh"
+        source "${submods}/command_stop.zsh"
     ;;
     (*)
-        . "${submods}/url_parser.zsh"
+        source "${submods}/url_parser.zsh"
     ;;
 esac
 
@@ -101,7 +101,7 @@ if ! output_data="$(
 )"
 then
     log_text="sendMessage (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -109,7 +109,7 @@ fi
 if ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="sendMessage (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -125,5 +125,5 @@ then
         log_text="sendMessage (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
diff --git a/modules/inline.zsh b/modules/inline.zsh
index a1b2511..be26727 100644
--- a/modules/inline.zsh
+++ b/modules/inline.zsh
@@ -14,7 +14,7 @@ query_id="$(jq -r '.inline_query.id' <<< "${update}")"
 chat_type="$(jq -r '.inline_query.chat_type' <<< "${update}")"
 offset="$(jq -r '.inline_query.offset' <<< "${update}")"
 
-. "${units}/user.zsh"
+source "${units}/user.zsh"
 set -- ${inline_query[@]}
 
 command="${1}"
@@ -23,30 +23,30 @@ if [[ -n "${command}" ]]
 then
     shift
 else
-    . "${submods}/inline_none.zsh"
+    source "${submods}/inline_none.zsh"
 fi
 
 case "${command}" in
     ("donate")
-        . "${submods}/inline_donate.zsh"
+        source "${submods}/inline_donate.zsh"
     ;;
     ("help")
-        . "${submods}/inline_help.zsh"
+        source "${submods}/inline_help.zsh"
     ;;
     ("original")
-        . "${submods}/inline_original.zsh"
+        source "${submods}/inline_original.zsh"
     ;;
     ("post")
-        . "${submods}/inline_post.zsh"
+        source "${submods}/inline_post.zsh"
     ;;
     ("short")
-        . "${submods}/inline_short.zsh"
+        source "${submods}/inline_short.zsh"
     ;;
     ("shorts" | s)
-        . "${submods}/inline_shorts.zsh"
+        source "${submods}/inline_shorts.zsh"
     ;;
     (*)
-        . "${submods}/inline_search.zsh"
+        source "${submods}/inline_search.zsh"
     ;;
 esac
 
@@ -68,7 +68,7 @@ if ! output_data="$(
 )"
 then
     log_text="answerInlineQuery (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -76,7 +76,7 @@ fi
 if ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="answerInlineQuery (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -92,5 +92,5 @@ then
         log_text="answerInlineQuery (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
diff --git a/modules/source.zsh b/modules/source.zsh
index b51bda2..c66fd0c 100644
--- a/modules/source.zsh
+++ b/modules/source.zsh
@@ -44,8 +44,8 @@ then
     unset message_thread_id
 fi
 
-. "${units}/user.zsh"
-. "${submods}/command_source.zsh"
+source "${units}/user.zsh"
+source "${submods}/command_source.zsh"
 
 if ! output_data="$(
     curl --connect-timeout ${connrefused_timeout} \
@@ -68,7 +68,7 @@ if ! output_data="$(
 )"
 then
     log_text="sendMessage (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -76,7 +76,7 @@ fi
 if ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="sendMessage (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -92,5 +92,5 @@ then
         log_text="sendMessage (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
diff --git a/modules/timer.zsh b/modules/timer.zsh
index d412180..90380e2 100644
--- a/modules/timer.zsh
+++ b/modules/timer.zsh
@@ -16,8 +16,8 @@ then
     exit 0
 fi
 
-. "${submods}/timer_unlock.zsh"
-. "${submods}/timer_uncache.zsh"
+source "${submods}/timer_unlock.zsh"
+source "${submods}/timer_uncache.zsh"
 
 strftime %s > "${cache}.timer"
 rmdir "${cache}.lock"
diff --git a/submodules/callback_delete.zsh b/submodules/callback_delete.zsh
index d826085..61286ac 100644
--- a/submodules/callback_delete.zsh
+++ b/submodules/callback_delete.zsh
@@ -23,7 +23,7 @@ then
     notification_text="Failed to delete message"
 
     log_text="deleteMessage (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -33,7 +33,7 @@ then
     notification_text="An unknown error occurred"
 
     log_text="deleteMessage (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -50,5 +50,5 @@ then
         log_text="deleteMessage (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
diff --git a/submodules/callback_post.zsh b/submodules/callback_post.zsh
index 743f7c7..05a5bb8 100644
--- a/submodules/callback_post.zsh
+++ b/submodules/callback_post.zsh
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ib_lock=0
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
@@ -18,7 +18,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
@@ -26,7 +26,7 @@ then
     return 0
 fi
 
-. "${units}/ib_post.zsh"
+source "${units}/ib_post.zsh"
 
 link_preview_options="$(
     jq --null-input --compact-output \
diff --git a/submodules/callback_stop.zsh b/submodules/callback_stop.zsh
index f0e3818..3af5860 100644
--- a/submodules/callback_stop.zsh
+++ b/submodules/callback_stop.zsh
@@ -60,7 +60,7 @@ then
     fi
 fi
 
-. "${units}/stop.zsh"
+source "${units}/stop.zsh"
 
 for lock in ${user_locks[@]}
 do
diff --git a/submodules/callback_tags.zsh b/submodules/callback_tags.zsh
index b69aae8..a74512a 100644
--- a/submodules/callback_tags.zsh
+++ b/submodules/callback_tags.zsh
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ib_lock=0
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
@@ -18,7 +18,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
@@ -36,8 +36,8 @@ ib_tags=($(jq -r ".${ib_iarray}[0].${ib_itags}" "${ib_file}" | htmlescape))
 ib_groups_offset=${1:-0}
 ib_tags_offset=${1:-0}
 
-. "${units}/ib_size.zsh"
-. "${units}/ib_meta.zsh"
+source "${units}/ib_size.zsh"
+source "${units}/ib_meta.zsh"
 
 if [[ -z "${ib_tags}" || "${ib_tags}" == "null" ]]
 then
diff --git a/submodules/command_authorize.zsh b/submodules/command_authorize.zsh
index ae1262f..fdc1b53 100644
--- a/submodules/command_authorize.zsh
+++ b/submodules/command_authorize.zsh
@@ -5,8 +5,8 @@
 if [[ -n "${1}" ]]
 then
     ib_board="${1}"
-    . "${units}/ib_config.zsh"
-    . "${units}/ib_authconfig.zsh"
+    source "${units}/ib_config.zsh"
+    source "${units}/ib_authconfig.zsh"
 
     if [[ -z "${ib_auth}" ]]
     then
@@ -32,7 +32,7 @@ then
     shift
 fi
 
-. "${units}/ib_lock.zsh"
+source "${units}/ib_lock.zsh"
 
 if [[ -z "${output_text}" ]]
 then
diff --git a/submodules/command_export.zsh b/submodules/command_export.zsh
index e90b181..aab24dc 100644
--- a/submodules/command_export.zsh
+++ b/submodules/command_export.zsh
@@ -16,7 +16,7 @@ do
     done
 done
 
-. "${units}/export.zsh"
+source "${units}/export.zsh"
 
 for lock in ${user_locks[@]}
 do
diff --git a/submodules/command_hash.zsh b/submodules/command_hash.zsh
index 0558ff6..6bd97d6 100644
--- a/submodules/command_hash.zsh
+++ b/submodules/command_hash.zsh
@@ -30,8 +30,8 @@ done
 
 for ib_board in {a..z}
 do
-    . "${units}/ib_config.zsh"
-    . "${units}/ib_hash.zsh" &
+    source "${units}/ib_config.zsh"
+    source "${units}/ib_hash.zsh" &
     wait
 
     if ! [[ -f "${ib_post}" ]]
diff --git a/submodules/command_original.zsh b/submodules/command_original.zsh
index 0132ade..bab3d8c 100644
--- a/submodules/command_original.zsh
+++ b/submodules/command_original.zsh
@@ -2,14 +2,14 @@
 # Copyright (C) 2024-2025 Danil Lisin
 # SPDX-License-Identifier: Apache-2.0
 
-. "${units}/ib_name.zsh"
+source "${units}/ib_name.zsh"
 
 if [[ -n "${output_text}" ]]
 then
     return 0
 fi
 
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -24,7 +24,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -32,7 +32,7 @@ then
     return 0
 fi
 
-. "${units}/ib_original.zsh"
+source "${units}/ib_original.zsh"
 
 if [[ -n "${ib_file_url}" && "${ib_file_url}" != "null" ]]
 then
@@ -70,13 +70,13 @@ if ! output_data="$(
 )"
 then
     log_text="sendChatAction (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if [[ -z "${log_text}" ]] && ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="sendChatAction (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if [[ -z "${log_text}" && "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -90,7 +90,7 @@ then
         log_text="sendChatAction (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if ! output_data="$(
@@ -115,7 +115,7 @@ then
     output_text="Failed to send original file"
 
     log_text="sendDocument (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
     return 0
@@ -126,7 +126,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="sendDocument (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
     return 0
@@ -144,7 +144,7 @@ then
         log_text="sendDocument (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
     return 0
diff --git a/submodules/command_ping.zsh b/submodules/command_ping.zsh
index 7f76faa..9bca844 100644
--- a/submodules/command_ping.zsh
+++ b/submodules/command_ping.zsh
@@ -25,7 +25,7 @@ then
     output_text="Failed to measure latency"
 
     log_text="sendMessage (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -37,7 +37,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="sendMessage (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -54,7 +54,7 @@ then
         log_text="sendMessage (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
     return 0
 fi
 
@@ -82,7 +82,7 @@ if ! output_data="$(
 )"
 then
     log_text="editMessageText (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -90,7 +90,7 @@ fi
 if ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="editMessageText (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     exit 0
 fi
@@ -106,7 +106,7 @@ then
         log_text="editMessageText (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 exit 0
diff --git a/submodules/command_post.zsh b/submodules/command_post.zsh
index fde8ed7..bf5fdf7 100644
--- a/submodules/command_post.zsh
+++ b/submodules/command_post.zsh
@@ -2,14 +2,14 @@
 # Copyright (C) 2024-2025 Danil Lisin
 # SPDX-License-Identifier: Apache-2.0
 
-. "${units}/ib_name.zsh"
+source "${units}/ib_name.zsh"
 
 if [[ -n "${output_text}" ]]
 then
     return 0
 fi
 
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -24,7 +24,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -32,7 +32,7 @@ then
     return 0
 fi
 
-. "${units}/ib_post.zsh"
+source "${units}/ib_post.zsh"
 
 link_preview_options="$(
     jq --null-input --compact-output \
diff --git a/submodules/command_source.zsh b/submodules/command_source.zsh
index 99fbc88..db2d2ce 100644
--- a/submodules/command_source.zsh
+++ b/submodules/command_source.zsh
@@ -12,7 +12,7 @@ do
     sleep 1
 done
 
-. "${units}/sn_auth.zsh"
+source "${units}/sn_auth.zsh"
 
 rmdir "${user_config}_source.lock"
 
@@ -21,7 +21,7 @@ then
     return 0
 fi
 
-. "${units}/sn_get.zsh"
+source "${units}/sn_get.zsh"
 
 if [[ -n "${output_text}" ]]
 then
diff --git a/submodules/command_stop.zsh b/submodules/command_stop.zsh
index 4b6307d..d69d20d 100644
--- a/submodules/command_stop.zsh
+++ b/submodules/command_stop.zsh
@@ -16,7 +16,7 @@ do
     done
 done
 
-. "${units}/stop.zsh"
+source "${units}/stop.zsh"
 
 for lock in ${user_locks[@]}
 do
diff --git a/submodules/inline_donate.zsh b/submodules/inline_donate.zsh
index 7eb0396..1b27967 100644
--- a/submodules/inline_donate.zsh
+++ b/submodules/inline_donate.zsh
@@ -4,7 +4,7 @@
 
 if [[ -n "${nocommand_donate}" ]]
 then
-    . "${submods}/inline_help.zsh"
+    source "${submods}/inline_help.zsh"
     return 0
 fi
 
diff --git a/submodules/inline_original.zsh b/submodules/inline_original.zsh
index 7cc5eeb..5a7a70b 100644
--- a/submodules/inline_original.zsh
+++ b/submodules/inline_original.zsh
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ib_lock=0
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -27,7 +27,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -44,7 +44,7 @@ then
     return 0
 fi
 
-. "${units}/ib_original.zsh"
+source "${units}/ib_original.zsh"
 
 if [[ -n "${output_text}" ]]
 then
diff --git a/submodules/inline_post.zsh b/submodules/inline_post.zsh
index 5202741..79f2903 100644
--- a/submodules/inline_post.zsh
+++ b/submodules/inline_post.zsh
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ib_lock=0
-. "${units}/ib_common.zsh"
+source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -27,7 +27,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -44,7 +44,7 @@ then
     return 0
 fi
 
-. "${units}/ib_post.zsh"
+source "${units}/ib_post.zsh"
 
 output_title="Information of post ${ib_post_id}"
 output_description="Click to send post information"
diff --git a/submodules/inline_search.zsh b/submodules/inline_search.zsh
index 96f3ce9..59a1bd1 100644
--- a/submodules/inline_search.zsh
+++ b/submodules/inline_search.zsh
@@ -17,14 +17,14 @@ case "${command}" in
     ;;
     (*)
         set -- ${inline_query[@]}
-        . "${submods}/inline_none.zsh"
+        source "${submods}/inline_none.zsh"
 
         case "${command}" in
             ("shorts")
-                . "${submods}/inline_shorts.zsh"
+                source "${submods}/inline_shorts.zsh"
             ;;
             ("help")
-                . "${submods}/inline_help.zsh"
+                source "${submods}/inline_help.zsh"
             ;;
         esac
 
@@ -33,7 +33,7 @@ case "${command}" in
 esac
 
 ib_lock=0
-. "${units}/ib_search.zsh"
+source "${units}/ib_search.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -67,7 +67,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -128,13 +128,13 @@ do
 
     case "${ib_mode}" in
         (l)
-            . "${submods}/inline_search_pools.zsh"
+            source "${submods}/inline_search_pools.zsh"
         ;;
         (p)
-            . "${submods}/inline_search_posts.zsh"
+            source "${submods}/inline_search_posts.zsh"
         ;;
         (t)
-            . "${submods}/inline_search_tags.zsh"
+            source "${submods}/inline_search_tags.zsh"
         ;;
     esac
 
diff --git a/submodules/inline_search_pools.zsh b/submodules/inline_search_pools.zsh
index 0ab047d..c3d15c3 100644
--- a/submodules/inline_search_pools.zsh
+++ b/submodules/inline_search_pools.zsh
@@ -7,7 +7,7 @@ ib_pool="${ib_pools[idx]}"
 ib_count="${ib_counts[idx]}"
 
 unset ib_date_text
-. "${units}/ib_date.zsh"
+source "${units}/ib_date.zsh"
 
 if [[ -n "${ib_ispace}" ]]
 then
diff --git a/submodules/inline_search_posts.zsh b/submodules/inline_search_posts.zsh
index 5643b2e..aab6775 100644
--- a/submodules/inline_search_posts.zsh
+++ b/submodules/inline_search_posts.zsh
@@ -11,8 +11,8 @@ ib_width="${ib_widths[idx]}"
 ib_height="${ib_heights[idx]}"
 
 unset ib_date_text ib_resolution_text ib_type_text ib_size_text
-. "${units}/ib_date.zsh"
-. "${units}/ib_meta.zsh"
+source "${units}/ib_date.zsh"
+source "${units}/ib_meta.zsh"
 
 if [[ -n "${ib_preview}" ]]
 then
@@ -130,5 +130,5 @@ fi
 
 if [[ "${cache_mode}" == "advanced" ]]
 then
-    . "${units}/ib_cache.zsh" &
+    source "${units}/ib_cache.zsh" &
 fi
diff --git a/submodules/inline_shorts.zsh b/submodules/inline_shorts.zsh
index 2fa2afd..a8a48d6 100644
--- a/submodules/inline_shorts.zsh
+++ b/submodules/inline_shorts.zsh
@@ -8,7 +8,7 @@ do
 done
 
 shorts_config="${user_config}/shorts"
-. "${units}/shorts_search.zsh"
+source "${units}/shorts_search.zsh"
 
 if [[ -n "${output_text}" ]]
 then
diff --git a/submodules/url_parser.zsh b/submodules/url_parser.zsh
index fa1a28a..064c264 100644
--- a/submodules/url_parser.zsh
+++ b/submodules/url_parser.zsh
@@ -47,8 +47,8 @@ then
     exit 0
 fi
 
-. "${units}/ib_config.zsh"
-. "${units}/ib_authconfig.zsh"
+source "${units}/ib_config.zsh"
+source "${units}/ib_authconfig.zsh"
 
 if [[ ${#ib_post_id} -gt 32 ]]
 then
@@ -68,7 +68,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -86,7 +86,7 @@ then
     return 0
 fi
 
-. "${units}/ib_post.zsh"
+source "${units}/ib_post.zsh"
 
 link_preview_options="$(
     jq --null-input --compact-output \
diff --git a/units/export.zsh b/units/export.zsh
index 13ec40a..5907e77 100644
--- a/units/export.zsh
+++ b/units/export.zsh
@@ -39,13 +39,13 @@ if ! output_data="$(
 )"
 then
     log_text="sendChatAction (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if [[ -z "${log_text}" ]] && ! jq -e '.' <<< "${output_data}" > /dev/null
 then
     log_text="sendChatAction (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if [[ -z "${log_text}" && "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -59,7 +59,7 @@ then
         log_text="sendChatAction (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 if ! output_data="$(
@@ -81,7 +81,7 @@ then
     output_text="Failed to send user data"
 
     log_text="sendDocument (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rmdir "${cache}/${user_id}.lock"
     return 0
@@ -92,7 +92,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="sendDocument (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rmdir "${cache}/${user_id}.lock"
     return 0
@@ -110,7 +110,7 @@ then
         log_text="sendDocument (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 fi
 
 rmdir "${cache}/${user_id}.lock"
diff --git a/units/ib_auth.zsh b/units/ib_auth.zsh
index 423649e..126af44 100644
--- a/units/ib_auth.zsh
+++ b/units/ib_auth.zsh
@@ -32,16 +32,16 @@ fi
 
 case "${ib_board}" in
     (a|d)
-        . "${auth}/donmai.zsh"
+        source "${auth}/donmai.zsh"
     ;;
     (g)
-        . "${auth}/gelbooru.zsh"
+        source "${auth}/gelbooru.zsh"
     ;;
     (i|s)
-        . "${auth}/sankakucomplex.zsh"
+        source "${auth}/sankakucomplex.zsh"
     ;;
     (k|y)
-        . "${auth}/moebooru.zsh"
+        source "${auth}/moebooru.zsh"
     ;;
 esac
 
diff --git a/units/ib_authconfig.zsh b/units/ib_authconfig.zsh
index b518b71..eec02db 100644
--- a/units/ib_authconfig.zsh
+++ b/units/ib_authconfig.zsh
@@ -9,16 +9,16 @@ token_file="${auth_dir}/token"
 
 case "${ib_board}" in
     (a|d)
-        . "${auth}/config/donmai.zsh"
+        source "${auth}/config/donmai.zsh"
     ;;
     (g)
-        . "${auth}/config/gelbooru.zsh"
+        source "${auth}/config/gelbooru.zsh"
     ;;
     (i|s)
-        . "${auth}/config/sankakucomplex.zsh"
+        source "${auth}/config/sankakucomplex.zsh"
     ;;
     (k|y)
-        . "${auth}/config/moebooru.zsh"
+        source "${auth}/config/moebooru.zsh"
     ;;
 esac
 
diff --git a/units/ib_common.zsh b/units/ib_common.zsh
index da257a8..35fd137 100644
--- a/units/ib_common.zsh
+++ b/units/ib_common.zsh
@@ -7,8 +7,8 @@ then
     ib_board="${1}"
     ib_mode="p"
 
-    . "${units}/ib_config.zsh"
-    . "${units}/ib_authconfig.zsh"
+    source "${units}/ib_config.zsh"
+    source "${units}/ib_authconfig.zsh"
 
     if [[ -z "${ib_data_url}" ]]
     then
diff --git a/units/ib_config.zsh b/units/ib_config.zsh
index f30d73f..25054c6 100644
--- a/units/ib_config.zsh
+++ b/units/ib_config.zsh
@@ -8,15 +8,15 @@ ib_error_height=516
 
 case "${ib_board}" in
     (a|d)
-        . "${config}/donmai.zsh"
+        source "${config}/donmai.zsh"
     ;;
     (g)
-        . "${config}/gelbooru.zsh"
+        source "${config}/gelbooru.zsh"
     ;;
     (i|s)
-        . "${config}/sankakucomplex.zsh"
+        source "${config}/sankakucomplex.zsh"
     ;;
     (k|y)
-        . "${config}/moebooru.zsh"
+        source "${config}/moebooru.zsh"
     ;;
 esac
diff --git a/units/ib_file.zsh b/units/ib_file.zsh
index 359fb80..7b70816 100644
--- a/units/ib_file.zsh
+++ b/units/ib_file.zsh
@@ -15,7 +15,7 @@ fi
 
 if [[ -d "${auth_dir}" ]]
 then
-    . "${units}/ib_token.zsh"
+    source "${units}/ib_token.zsh"
 
     if [[ -n "${output_text}" ]]
     then
@@ -67,7 +67,7 @@ then
     notification_text="${output_text}"
 
     log_text="ib_file (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     next_offset=${inline_page:-0}
 
@@ -82,7 +82,7 @@ then
     notification_text="${output_text}"
 
     log_text="ib_file (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     rm -f "${ib_file}"
     return 0
diff --git a/units/ib_hash.zsh b/units/ib_hash.zsh
index b58bb0d..26b9af2 100644
--- a/units/ib_hash.zsh
+++ b/units/ib_hash.zsh
@@ -5,8 +5,8 @@
 rm -f "${ib_post}"
 ib_mode="p"
 
-. "${units}/ib_config.zsh"
-. "${units}/ib_authconfig.zsh"
+source "${units}/ib_config.zsh"
+source "${units}/ib_authconfig.zsh"
 
 if [[ -z "${ib_data_url}" ]]
 then
@@ -23,7 +23,7 @@ do
     sleep 1
 done
 
-. "${units}/ib_file.zsh"
+source "${units}/ib_file.zsh"
 
 if [[ -n "${output_text}" ]]
 then
@@ -42,7 +42,7 @@ then
         ib_sample_url="$(jq -r ".${ib_iarray}[0].${ib_isample}" "${ib_file}")"
         ib_preview_url="$(jq -r ".${ib_iarray}[0].${ib_ipreview}" "${ib_file}")"
 
-        . "${units}/ib_meta.zsh"
+        source "${units}/ib_meta.zsh"
 
         printf "%s\n" "${ib_sample_url}" > "${ib_sample}"
     fi
diff --git a/units/ib_lock.zsh b/units/ib_lock.zsh
index 9adc233..cadebc5 100644
--- a/units/ib_lock.zsh
+++ b/units/ib_lock.zsh
@@ -7,6 +7,6 @@ do
     sleep 1
 done
 
-. "${units}/ib_auth.zsh"
+source "${units}/ib_auth.zsh"
 
 rmdir "${user_config}_auth.lock"
diff --git a/units/ib_meta.zsh b/units/ib_meta.zsh
index 6c9d12e..4109759 100644
--- a/units/ib_meta.zsh
+++ b/units/ib_meta.zsh
@@ -34,15 +34,15 @@ then
             ib_type="photo"
         ;;
         (gif)
-            . "${units}/ib_preview.zsh"
+            source "${units}/ib_preview.zsh"
             ib_type="gif"
         ;;
         (mp4)
-            . "${units}/ib_preview.zsh"
+            source "${units}/ib_preview.zsh"
             ib_type="video"
         ;;
         (zip | webm)
-            . "${units}/ib_sample.zsh"
+            source "${units}/ib_sample.zsh"
         ;;
         (*)
             ib_sample_url="${ib_error_url}"
@@ -66,7 +66,7 @@ if [[ -n "${ib_file_size}" && "${ib_file_size}" != "null" && ${ib_file_size} -gt
 then
     if [[ ${ib_file_size} -gt 20971520 && "${ib_sample_url}" == "${ib_file_url}" ]]
     then
-        . "${units}/ib_sample.zsh"
+        source "${units}/ib_sample.zsh"
     fi
 
     size_offset=1.0
diff --git a/units/ib_name.zsh b/units/ib_name.zsh
index b6cf26a..5531d79 100644
--- a/units/ib_name.zsh
+++ b/units/ib_name.zsh
@@ -24,7 +24,7 @@ ib_reply_name="$(sed '1!d' <<< "${reply_text}")"
 
 for ib_board in {a..z} 0
 do
-    . "${units}/ib_config.zsh"
+    source "${units}/ib_config.zsh"
 
     if [[ "${ib_reply_name}" == "${ib_name}" ]]
     then
diff --git a/units/ib_original.zsh b/units/ib_original.zsh
index d20db77..13a6930 100644
--- a/units/ib_original.zsh
+++ b/units/ib_original.zsh
@@ -5,7 +5,7 @@
 ib_file_size="$(jq -r ".${ib_iarray}[0].${ib_isize}" "${ib_file}")"
 ib_file_url="$(jq -r ".${ib_iarray}[0].${ib_ifile}" "${ib_file}")"
 
-. "${units}/ib_size.zsh"
+source "${units}/ib_size.zsh"
 
 if [[ -n "${ib_file_url}" && "${ib_file_url}" != "null" ]]
 then
@@ -14,7 +14,7 @@ then
     ib_width="$(jq -r ".${ib_iarray}[0].${ib_iwidth}" "${ib_file}")"
     ib_height="$(jq -r ".${ib_iarray}[0].${ib_iheight}" "${ib_file}")"
 
-    . "${units}/ib_meta.zsh"
+    source "${units}/ib_meta.zsh"
 else
     output_text="No original file found"
     return 0
diff --git a/units/ib_post.zsh b/units/ib_post.zsh
index 5310429..5a435e5 100644
--- a/units/ib_post.zsh
+++ b/units/ib_post.zsh
@@ -17,9 +17,9 @@ ib_md5="$(jq -r ".${ib_iarray}[0].${ib_imd5}" "${ib_file}")"
 ib_source="$(jq -r ".${ib_iarray}[0].${ib_isource}" "${ib_file}" | htmlescape)"
 ib_tags=($(jq -r ".${ib_iarray}[0].${ib_itags}" "${ib_file}"))
 
-. "${units}/ib_date.zsh"
-. "${units}/ib_size.zsh"
-. "${units}/ib_meta.zsh"
+source "${units}/ib_date.zsh"
+source "${units}/ib_size.zsh"
+source "${units}/ib_meta.zsh"
 
 output_text="$(printf "<b>%s</b>\n<b>ID:</b> <code>%s</code>" "${ib_name}" "${ib_id}")"
 
diff --git a/units/ib_search.zsh b/units/ib_search.zsh
index 423b5a1..4a95a69 100644
--- a/units/ib_search.zsh
+++ b/units/ib_search.zsh
@@ -6,8 +6,8 @@ if [[ -n "${1}" ]]
 then
     ib_board="${1}"
 
-    . "${units}/ib_config.zsh"
-    . "${units}/ib_authconfig.zsh"
+    source "${units}/ib_config.zsh"
+    source "${units}/ib_authconfig.zsh"
 
     if [[ -z "${ib_data_url}" ]]
     then
diff --git a/units/ib_token.zsh b/units/ib_token.zsh
index e8bb982..5898b44 100644
--- a/units/ib_token.zsh
+++ b/units/ib_token.zsh
@@ -22,13 +22,13 @@ then
     then
         if [[ -n "${ib_lock}" ]]
         then
-            . "${units}/ib_lock.zsh" &
+            source "${units}/ib_lock.zsh" &
 
             output_title="Refreshing ${ib_name} session..."
             output_text="Try again in a few seconds"
             notification_text="${output_title} ${output_text}"
         else
-            . "${units}/ib_auth.zsh"
+            source "${units}/ib_auth.zsh"
         fi
     fi
 fi
diff --git a/units/sn_auth.zsh b/units/sn_auth.zsh
index ed1d041..fb8cbc9 100644
--- a/units/sn_auth.zsh
+++ b/units/sn_auth.zsh
@@ -35,7 +35,7 @@ then
     output_text="Failed to access SauceNAO API"
 
     log_text="sn_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -45,7 +45,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="sn_auth (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
diff --git a/units/sn_get.zsh b/units/sn_get.zsh
index c70075d..c50d0a3 100644
--- a/units/sn_get.zsh
+++ b/units/sn_get.zsh
@@ -37,7 +37,7 @@ then
     output_text="Failed to get image file"
 
     log_text="getFile (${update_id}): Failed to access Telegram Bot API"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -47,7 +47,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="getFile (${update_id}): An unknown error occurred"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -64,7 +64,7 @@ then
         log_text="getFile (${update_id}): An unknown error occurred"
     fi
 
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
     return 0
 fi
 
@@ -93,7 +93,7 @@ then
         output_text="Failed to download image file"
 
         log_text="getFile (${update_id}): Failed to access Telegram Bot API"
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
 
         return 0
     fi
@@ -110,7 +110,7 @@ then
             log_text="getFile (${update_id}): An unknown error occurred"
         fi
 
-        . "${units}/log.zsh"
+        source "${units}/log.zsh"
         return 0
     fi
 
@@ -118,6 +118,6 @@ then
 fi
 
 sn_query="file=@${file_path}"
-. "${units}/sn_search.zsh"
+source "${units}/sn_search.zsh"
 
 rmdir "${cache}/${update_id}_file.lock"
diff --git a/units/sn_search.zsh b/units/sn_search.zsh
index b5dda9c..0090de9 100644
--- a/units/sn_search.zsh
+++ b/units/sn_search.zsh
@@ -28,7 +28,7 @@ then
     output_text="Failed to access SauceNAO API"
 
     log_text="sn_search (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi
@@ -38,7 +38,7 @@ then
     output_text="An unknown error occurred"
 
     log_text="sn_search (${update_id}): ${output_text}"
-    . "${units}/log.zsh"
+    source "${units}/log.zsh"
 
     return 0
 fi