*/*: Remove unused return code

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

40 files changed, 99 insertions, 99 deletions

diff --git a/auth/donmai.zsh b/auth/donmai.zsh
index d7e3eab..ae18fb7 100644
--- a/auth/donmai.zsh
+++ b/auth/donmai.zsh
@@ -21,7 +21,7 @@ then
     log_text="ib_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${ib_auth_data}" > /dev/null
@@ -31,19 +31,19 @@ then
     log_text="ib_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.success' <<< "${ib_auth_data}")" == "false" ]]
 then
     output_text="Error: <code>$(jq -r '.message' <<< "${ib_auth_data}" | htmlescape)</code>"
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.name' <<< "${ib_auth_data}")" != "${ib_login}" ]]
 then
     output_text="Failed to verify user authorization"
-    return 0
+    return
 fi
 
 printf "%s" "${ib_login}:${ib_key}" | base64 > "${token_file}"
diff --git a/auth/moebooru.zsh b/auth/moebooru.zsh
index 747250d..459cdc9 100644
--- a/auth/moebooru.zsh
+++ b/auth/moebooru.zsh
@@ -22,7 +22,7 @@ then
     log_text="ib_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${ib_auth_data}" > /dev/null
diff --git a/auth/sankakucomplex.zsh b/auth/sankakucomplex.zsh
index ebd71f0..d7f1791 100644
--- a/auth/sankakucomplex.zsh
+++ b/auth/sankakucomplex.zsh
@@ -29,7 +29,7 @@ then
     log_text="ib_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${ib_auth_data}" > /dev/null
@@ -39,13 +39,13 @@ then
     log_text="ib_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.success' <<< "${ib_auth_data}")" != "true" ]]
 then
     output_text="Error: <code>$(jq -r '.error' <<< "${ib_auth_data}" | htmlescape)</code>"
-    return 0
+    return
 fi
 
 jq -r '.access_token' <<< "${ib_auth_data}" > "${token_file}"
diff --git a/submodules/callback_delete.zsh b/submodules/callback_delete.zsh
index d786ec1..a2334bf 100644
--- a/submodules/callback_delete.zsh
+++ b/submodules/callback_delete.zsh
@@ -25,7 +25,7 @@ then
     log_text="deleteMessage (${update_id}): Failed to access Telegram Bot API"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${output_data}" > /dev/null
@@ -35,7 +35,7 @@ then
     log_text="deleteMessage (${update_id}): An unknown error occurred"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
diff --git a/submodules/callback_post.zsh b/submodules/callback_post.zsh
index 66df417..301001f 100644
--- a/submodules/callback_post.zsh
+++ b/submodules/callback_post.zsh
@@ -7,7 +7,7 @@ source "${units}/ib_common.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -23,7 +23,7 @@ source "${units}/ib_file.zsh"
 if [[ -n "${notification_text}" ]]
 then
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_post.zsh"
diff --git a/submodules/callback_short.zsh b/submodules/callback_short.zsh
index 1316e4e..a48a27c 100644
--- a/submodules/callback_short.zsh
+++ b/submodules/callback_short.zsh
@@ -15,7 +15,7 @@ else
     notification_text="You must specify query"
 
     rmdir "${user_config}_shorts.lock"
-    return 0
+    return
 fi
 
 shorts_config="${user_config}/shorts"
@@ -25,7 +25,7 @@ then
     notification_text="Failed to create user config"
 
     rmdir "${user_config}_shorts.lock"
-    return 0
+    return
 fi
 
 short_hash="$(sha1sum <<< "${short_query}" | cut -d ' ' -f 1)"
diff --git a/submodules/callback_stop.zsh b/submodules/callback_stop.zsh
index 739ca60..d2eab2c 100644
--- a/submodules/callback_stop.zsh
+++ b/submodules/callback_stop.zsh
@@ -17,7 +17,7 @@ do
     elif [[ "${check_table[1]}" == "${check_table[-2]}" ]]
     then
         notification_text="No requested data found"
-        return 0
+        return
     fi
 
     shift 2 check_table
@@ -26,7 +26,7 @@ done
 if mkdir "${user_config}_stop.lock"
 then
     notification_text="Click again to confirm data removal"
-    return 0
+    return
 fi
 
 for lock in ${user_locks[@]}
diff --git a/submodules/callback_tags.zsh b/submodules/callback_tags.zsh
index 6f83c9e..1198a5e 100644
--- a/submodules/callback_tags.zsh
+++ b/submodules/callback_tags.zsh
@@ -7,7 +7,7 @@ source "${units}/ib_common.zsh"
 
 if [[ -n "${notification_text}" ]]
 then
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -23,7 +23,7 @@ source "${units}/ib_file.zsh"
 if [[ -n "${notification_text}" ]]
 then
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 ib_file_size="$(jq -r ".${ib_iarray}[0].${ib_isize}" "${ib_file}")"
@@ -44,7 +44,7 @@ then
     notification_text="Failed to get tags"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 while [[ ${#ib_groups} -ge 2 ]]
@@ -94,7 +94,7 @@ then
     notification_text="No tags found"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 link_preview_options="$(
diff --git a/submodules/command_authorize.zsh b/submodules/command_authorize.zsh
index bbb2a3b..a8be540 100644
--- a/submodules/command_authorize.zsh
+++ b/submodules/command_authorize.zsh
@@ -11,13 +11,13 @@ then
     if [[ -z "${ib_auth}" ]]
     then
         output_text="Unsupported Image Board"
-        return 0
+        return
     fi
 
     shift
 else
     output_text="You must specify Image Board"
-    return 0
+    return
 fi
 
 if [[ -n "${1}" ]]
diff --git a/submodules/command_export.zsh b/submodules/command_export.zsh
index cbffb4d..fe68802 100644
--- a/submodules/command_export.zsh
+++ b/submodules/command_export.zsh
@@ -5,7 +5,7 @@
 if [[ "${chat_id}" != "${target_user}" ]]
 then
     output_text="For security reasons you can execute this command only in direct messages"
-    return 0
+    return
 fi
 
 for lock in ${user_locks[@]}
diff --git a/submodules/command_hash.zsh b/submodules/command_hash.zsh
index 1c4fb92..d8bb677 100644
--- a/submodules/command_hash.zsh
+++ b/submodules/command_hash.zsh
@@ -8,13 +8,13 @@ then
     shift
 else
     output_text="You must specify MD5 hash"
-    return 0
+    return
 fi
 
 if ! [[ ${#ib_post_md5} -eq 32 ]]
 then
     output_text="Invalid MD5 hash"
-    return 0
+    return
 fi
 
 ib_post="${cache}/${update_id}_id.txt"
diff --git a/submodules/command_original.zsh b/submodules/command_original.zsh
index 0164f4c..adeebdf 100644
--- a/submodules/command_original.zsh
+++ b/submodules/command_original.zsh
@@ -6,14 +6,14 @@ source "${units}/ib_name.zsh"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -29,7 +29,7 @@ source "${units}/ib_file.zsh"
 if [[ -n "${output_text}" ]]
 then
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_original.zsh"
@@ -50,7 +50,7 @@ fi
 if [[ -n "${output_text}" ]]
 then
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 if ! output_data="$(
@@ -118,7 +118,7 @@ then
     source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${output_data}" > /dev/null
@@ -129,7 +129,7 @@ then
     source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -147,7 +147,7 @@ then
     source "${units}/log.zsh"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 rmdir "${cache}/${ib_hash}.lock"
diff --git a/submodules/command_ping.zsh b/submodules/command_ping.zsh
index 5969edd..83ffb3b 100644
--- a/submodules/command_ping.zsh
+++ b/submodules/command_ping.zsh
@@ -27,7 +27,7 @@ then
     log_text="sendMessage (${update_id}): Failed to access Telegram Bot API"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 latency_fin=$(strftime %s%N)
@@ -39,7 +39,7 @@ then
     log_text="sendMessage (${update_id}): An unknown error occurred"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -55,7 +55,7 @@ then
     fi
 
     source "${units}/log.zsh"
-    return 0
+    return
 fi
 
 chat_id="$(jq -r '.result.chat.id' <<< "${output_data}")"
diff --git a/submodules/command_post.zsh b/submodules/command_post.zsh
index 08ace0a..2ead112 100644
--- a/submodules/command_post.zsh
+++ b/submodules/command_post.zsh
@@ -6,14 +6,14 @@ source "${units}/ib_name.zsh"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 source "${units}/ib_common.zsh"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -29,7 +29,7 @@ source "${units}/ib_file.zsh"
 if [[ -n "${output_text}" ]]
 then
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_post.zsh"
diff --git a/submodules/command_short.zsh b/submodules/command_short.zsh
index bed1553..cc551e3 100644
--- a/submodules/command_short.zsh
+++ b/submodules/command_short.zsh
@@ -8,13 +8,13 @@ then
     shift ${#}
 else
     output_text="You must specify query"
-    return 0
+    return
 fi
 
 if [[ ${#short_query} -gt 256 ]]
 then
     output_text="Query is too long"
-    return 0
+    return
 fi
 
 output_text="<b>Shortcut:</b> <code>$(htmlescape <<< "${short_query}")</code>"
diff --git a/submodules/command_shorts.zsh b/submodules/command_shorts.zsh
index 1a32106..f52b531 100644
--- a/submodules/command_shorts.zsh
+++ b/submodules/command_shorts.zsh
@@ -19,7 +19,7 @@ then
     output_text="You have no saved shortcuts yet"
 
     rmdir "${user_config}_shorts.lock"
-    return 0
+    return
 fi
 
 output_text="<b>Saved shortcuts:</b> ${#shorts} / ${shorts_limit}"
diff --git a/submodules/command_source.zsh b/submodules/command_source.zsh
index 6c306c3..9553bc6 100644
--- a/submodules/command_source.zsh
+++ b/submodules/command_source.zsh
@@ -18,14 +18,14 @@ rmdir "${user_config}_source.lock"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 source "${units}/sn_get.zsh"
 
 if [[ -n "${output_text}" ]]
 then
-    return 0
+    return
 fi
 
 source_table=(
@@ -58,7 +58,7 @@ done
 if [[ ${highest_similarity} -lt ${minimum_similarity} || ${highest_similarity} -lt 70.00 ]]
 then
     output_text="No results found"
-    return 0
+    return
 fi
 
 thumbnail="$(jq -r ".results.[${highest_index}].header.thumbnail" <<< "${sn_data}")"
diff --git a/submodules/command_stop.zsh b/submodules/command_stop.zsh
index a14a723..1ddf10c 100644
--- a/submodules/command_stop.zsh
+++ b/submodules/command_stop.zsh
@@ -5,7 +5,7 @@
 if [[ "${chat_id}" != "${target_user}" ]]
 then
     output_text="For security reasons you can execute this command only in direct messages"
-    return 0
+    return
 fi
 
 for lock in ${user_locks[@]}
diff --git a/submodules/inline_donate.zsh b/submodules/inline_donate.zsh
index 72b6bf8..a0257ca 100644
--- a/submodules/inline_donate.zsh
+++ b/submodules/inline_donate.zsh
@@ -5,7 +5,7 @@
 if [[ -n "${nocommand_donate}" ]]
 then
     source "${submods}/inline_help.zsh"
-    return 0
+    return
 fi
 
 output_title="Donate"
diff --git a/submodules/inline_original.zsh b/submodules/inline_original.zsh
index fb477ca..5e9caac 100644
--- a/submodules/inline_original.zsh
+++ b/submodules/inline_original.zsh
@@ -16,7 +16,7 @@ then
             '[{"type": "article", "id": $id, "title": $title, "input_message_content": {"message_text": $text}, "description": $description}]'
     )"
 
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -41,7 +41,7 @@ then
     )"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_original.zsh"
diff --git a/submodules/inline_post.zsh b/submodules/inline_post.zsh
index 7dea5c7..92d7199 100644
--- a/submodules/inline_post.zsh
+++ b/submodules/inline_post.zsh
@@ -16,7 +16,7 @@ then
             '[{"type": "article", "id": $id, "title": $title, "input_message_content": {"message_text": $text}, "description": $description}]'
     )"
 
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_board}${ib_query}" | cut -d ' ' -f 1)"
@@ -41,7 +41,7 @@ then
     )"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_post.zsh"
diff --git a/submodules/inline_search.zsh b/submodules/inline_search.zsh
index 74efcd5..c3f1061 100644
--- a/submodules/inline_search.zsh
+++ b/submodules/inline_search.zsh
@@ -28,7 +28,7 @@ case "${command}" in
             ;;
         esac
 
-        return 0
+        return
     ;;
 esac
 
@@ -56,7 +56,7 @@ then
             '[{"type": "article", "id": $id, "title": $title, "input_message_content": {"message_text": $text}, "reply_markup": {"inline_keyboard": [[{"text": $text1, "switch_inline_query_current_chat": $query1}]]}, "description": $description}]'
     )"
 
-    return 0
+    return
 fi
 
 ib_hash="$(sha1sum <<< "${user_id}${ib_mode}${ib_board}${ib_page}${ib_query}" | cut -d ' ' -f 1)"
@@ -91,7 +91,7 @@ then
     )"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 ib_ids=("${(@f)$(jq -r ".${ib_iarray}[].${ib_iid}" "${ib_file}")}")
diff --git a/submodules/inline_short.zsh b/submodules/inline_short.zsh
index d33919e..84dd3d4 100644
--- a/submodules/inline_short.zsh
+++ b/submodules/inline_short.zsh
@@ -19,7 +19,7 @@ else
             '[{"type": "article", "id": $id, "title": $title, "input_message_content": {"message_text": $text}, "description": $description}]'
     )"
 
-    return 0
+    return
 fi
 
 output_title="Shortcut"
diff --git a/submodules/inline_shorts.zsh b/submodules/inline_shorts.zsh
index ae0a090..ea40e95 100644
--- a/submodules/inline_shorts.zsh
+++ b/submodules/inline_shorts.zsh
@@ -41,7 +41,7 @@ then
     fi
 
     rmdir "${user_config}_shorts.lock"
-    return 0
+    return
 fi
 
 for ((idx = 1; idx <= ${inline_limit} && idx <= ${#shorts}; idx++))
diff --git a/submodules/timer_uncache.zsh b/submodules/timer_uncache.zsh
index f36ef2b..bbccd1d 100644
--- a/submodules/timer_uncache.zsh
+++ b/submodules/timer_uncache.zsh
@@ -4,7 +4,7 @@
 
 if [[ -n "${no_clear}" ]]
 then
-    return 0
+    return
 fi
 
 for file in $(find "${cache}" -follow -type f)
diff --git a/submodules/url_parser.zsh b/submodules/url_parser.zsh
index f68494d..b24c1bf 100644
--- a/submodules/url_parser.zsh
+++ b/submodules/url_parser.zsh
@@ -83,7 +83,7 @@ then
     )"
 
     rmdir "${cache}/${ib_hash}.lock"
-    return 0
+    return
 fi
 
 source "${units}/ib_post.zsh"
diff --git a/units/export.zsh b/units/export.zsh
index 7680470..e92f612 100644
--- a/units/export.zsh
+++ b/units/export.zsh
@@ -5,7 +5,7 @@
 if ! [[ -d "${user_config}" ]]
 then
     output_text="No user data found"
-    return 0
+    return
 fi
 
 until mkdir "${cache}/${user_id}.lock"
@@ -20,7 +20,7 @@ then
     output_text="Something went wrong, try again later"
 
     rmdir "${cache}/${user_id}.lock"
-    return 0
+    return
 fi
 
 if ! output_data="$(
@@ -84,7 +84,7 @@ then
     source "${units}/log.zsh"
 
     rmdir "${cache}/${user_id}.lock"
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${output_data}" > /dev/null
@@ -95,7 +95,7 @@ then
     source "${units}/log.zsh"
 
     rmdir "${cache}/${user_id}.lock"
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
diff --git a/units/ib_auth.zsh b/units/ib_auth.zsh
index 7e713d6..db65754 100644
--- a/units/ib_auth.zsh
+++ b/units/ib_auth.zsh
@@ -9,7 +9,7 @@ then
         ib_login="$(< "${login_file}")"
     else
         output_text="You must specify ${ib_login_word} and ${ib_key_word}"
-        return 0
+        return
     fi
 fi
 
@@ -20,14 +20,14 @@ then
         ib_key="$(< "${key_file}")"
     else
         output_text="You must specify ${ib_key_word}"
-        return 0
+        return
     fi
 fi
 
 if ! mkdir -p "${auth_dir}"
 then
     output_text="Failed to create user config"
-    return 0
+    return
 fi
 
 case "${ib_board}" in
diff --git a/units/ib_common.zsh b/units/ib_common.zsh
index 7bcbe7b..5c0b9a3 100644
--- a/units/ib_common.zsh
+++ b/units/ib_common.zsh
@@ -16,7 +16,7 @@ then
         output_text="Unsupported Image Board"
         notification_text="${output_text}"
 
-        return 0
+        return
     fi
 
     shift
@@ -25,7 +25,7 @@ else
     output_text="You must specify Image Board and post ID or MD5 hash"
     notification_text="${output_text}"
 
-    return 0
+    return
 fi
 
 if [[ -n "${1}" ]]
@@ -37,7 +37,7 @@ else
     output_text="You must specify post ID or MD5 hash"
     notification_text="${output_text}"
 
-    return 0
+    return
 fi
 
 if [[ ${#ib_post_id} -eq 32 ]]
diff --git a/units/ib_file.zsh b/units/ib_file.zsh
index 1fd5ccb..57fe98a 100644
--- a/units/ib_file.zsh
+++ b/units/ib_file.zsh
@@ -9,7 +9,7 @@ then
 
     if [[ $((ib_ctime - ib_mtime)) -le ${cache_time} ]]
     then
-        return 0
+        return
     fi
 fi
 
@@ -19,7 +19,7 @@ then
 
     if [[ -n "${output_text}" ]]
     then
-        return 0
+        return
     fi
 fi
 
@@ -72,7 +72,7 @@ then
     next_offset=${inline_page:-0}
 
     rm -f "${ib_file}"
-    return 0
+    return
 fi
 
 if ! jq -e '.' "${ib_file}" > /dev/null
@@ -85,7 +85,7 @@ then
     source "${units}/log.zsh"
 
     rm -f "${ib_file}"
-    return 0
+    return
 fi
 
 if ! jq -e ".${ib_iarray}[0]|has(\"${ib_iid}\")" "${ib_file}" > /dev/null
diff --git a/units/ib_name.zsh b/units/ib_name.zsh
index b15becc..3a8346d 100644
--- a/units/ib_name.zsh
+++ b/units/ib_name.zsh
@@ -4,7 +4,7 @@
 
 if [[ -n "${1}" ]]
 then
-    return 0
+    return
 fi
 
 reply_text="$(jq -r '.message.reply_to_message.text' <<< "${update}")"
@@ -17,7 +17,7 @@ fi
 if [[ "${reply_text}" == "null" ]]
 then
     output_text="You must specify Image Board and post ID or MD5 hash, or use this command in reply to a message"
-    return 0
+    return
 fi
 
 ib_reply_name="$(sed '1!d' <<< "${reply_text}")"
@@ -35,7 +35,7 @@ done
 if [[ "${ib_board}" == "0" ]]
 then
     output_text="Could not find Image Board in replied message"
-    return 0
+    return
 fi
 
 ib_post_id="$(sed '2!d' <<< "${reply_text}" | cut -d ' ' -f 2)"
@@ -43,7 +43,7 @@ ib_post_id="$(sed '2!d' <<< "${reply_text}" | cut -d ' ' -f 2)"
 if [[ -z "${ib_post_id}" ]]
 then
     output_text="Could not find post ID in replied message"
-    return 0
+    return
 fi
 
 set -- ${ib_board} ${ib_post_id}
diff --git a/units/ib_original.zsh b/units/ib_original.zsh
index 93938b2..d04e613 100644
--- a/units/ib_original.zsh
+++ b/units/ib_original.zsh
@@ -17,7 +17,7 @@ then
     source "${units}/ib_meta.zsh"
 else
     output_text="No original file found"
-    return 0
+    return
 fi
 
 if [[ -n "${ib_file_size}" && "${ib_file_size}" != "null" && ${ib_file_size} -gt 0 ]]
diff --git a/units/ib_search.zsh b/units/ib_search.zsh
index 1ddb920..6dac4d3 100644
--- a/units/ib_search.zsh
+++ b/units/ib_search.zsh
@@ -14,7 +14,7 @@ then
         output_title="Invalid arguments"
         output_text="Unsupported Image Board"
 
-        return 0
+        return
     fi
 
     shift
@@ -22,7 +22,7 @@ else
     output_title="Invalid arguments"
     output_text="You must specify Image Board"
 
-    return 0
+    return
 fi
 
 if test "${1}" -gt 0
@@ -52,7 +52,7 @@ then
         output_title="Invalid arguments"
         output_text="Unsupported options"
 
-        return 0
+        return
     fi
 fi
 
diff --git a/units/ib_size.zsh b/units/ib_size.zsh
index e252231..317ffe8 100644
--- a/units/ib_size.zsh
+++ b/units/ib_size.zsh
@@ -4,12 +4,12 @@
 
 if [[ -n "${ib_file_size}" && "${ib_file_size}" != "null" ]]
 then
-    return 0
+    return
 fi
 
 if [[ -z "${ib_file_url}" || "${ib_file_url}" == "null" ]]
 then
-    return 0
+    return
 fi
 
 ib_file_size="$(
diff --git a/units/log.zsh b/units/log.zsh
index 9c7596b..6127a0b 100644
--- a/units/log.zsh
+++ b/units/log.zsh
@@ -4,7 +4,7 @@
 
 if [[ -n "${no_logs}" ]] && ! grep -q -e "^Error:" -e "^Warning:" <<< "${log_text}"
 then
-    return 0
+    return
 fi
 
 printf "[%s] %s\n" "$(strftime "%Y-%m-%d %X")" "${log_text}"
diff --git a/units/shorts_search.zsh b/units/shorts_search.zsh
index dbf30b2..c84e97f 100644
--- a/units/shorts_search.zsh
+++ b/units/shorts_search.zsh
@@ -29,7 +29,7 @@ then
         output_title="Invalid arguments"
         output_text="Unsupported options"
 
-        return 0
+        return
     fi
 fi
 
@@ -56,7 +56,7 @@ then
     output_title="No shortcuts found"
     output_text="You have no saved shortcuts yet"
 
-    return 0
+    return
 fi
 
 if [[ -n "${shorts_query}" ]]
diff --git a/units/sn_auth.zsh b/units/sn_auth.zsh
index 826437b..ca3fa2f 100644
--- a/units/sn_auth.zsh
+++ b/units/sn_auth.zsh
@@ -8,13 +8,13 @@ then
 elif [[ -f "${user_config}/saucenao" ]]
 then
     sn_key="$(< "${user_config}/saucenao")"
-    return 0
+    return
 elif [[ -n "${sn_key}" ]]
 then
-    return 0
+    return
 else
     output_text="You must provide your SauceNAO API key before you can use SauceNAO"
-    return 0
+    return
 fi
 
 if ! sn_data="$(
@@ -37,7 +37,7 @@ then
     log_text="sn_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${sn_data}" > /dev/null
@@ -47,7 +47,7 @@ then
     log_text="sn_auth (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 sn_status="$(jq -r '.header.status' <<< "${sn_data}")"
diff --git a/units/sn_get.zsh b/units/sn_get.zsh
index 9e3c18b..d9eb46f 100644
--- a/units/sn_get.zsh
+++ b/units/sn_get.zsh
@@ -10,13 +10,13 @@ then
     if [[ "${message_id}" == "null" || "${message_id}" == "${message_thread_id}" ]]
     then
         output_text="You must use this command in reply to an image"
-        return 0
+        return
     fi
 
     if [[ "${file_id}" == "null" ]]
     then
         output_text="Could not find image in replied message"
-        return 0
+        return
     fi
 fi
 
@@ -39,7 +39,7 @@ then
     log_text="getFile (${update_id}): Failed to access Telegram Bot API"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${output_data}" > /dev/null
@@ -49,7 +49,7 @@ then
     log_text="getFile (${update_id}): An unknown error occurred"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if [[ "$(jq -r '.ok' <<< "${output_data}")" != "true" ]]
@@ -65,7 +65,7 @@ then
     fi
 
     source "${units}/log.zsh"
-    return 0
+    return
 fi
 
 file_path="$(jq -r '.result.file_path' <<< "${output_data}")"
@@ -95,7 +95,7 @@ then
         log_text="getFile (${update_id}): Failed to access Telegram Bot API"
         source "${units}/log.zsh"
 
-        return 0
+        return
     fi
 
     if [[ "$(jq -r '.ok' "${output_file}")" == "false" ]]
@@ -111,7 +111,7 @@ then
         fi
 
         source "${units}/log.zsh"
-        return 0
+        return
     fi
 
     file_path="${output_file}"
diff --git a/units/sn_search.zsh b/units/sn_search.zsh
index 826f8ed..892cfa6 100644
--- a/units/sn_search.zsh
+++ b/units/sn_search.zsh
@@ -30,7 +30,7 @@ then
     log_text="sn_search (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 if ! jq -e '.' <<< "${sn_data}" > /dev/null
@@ -40,7 +40,7 @@ then
     log_text="sn_search (${update_id}): ${output_text}"
     source "${units}/log.zsh"
 
-    return 0
+    return
 fi
 
 sn_status="$(jq -r '.header.status' <<< "${sn_data}")"
diff --git a/units/stop.zsh b/units/stop.zsh
index 66a16e0..43a2fe7 100644
--- a/units/stop.zsh
+++ b/units/stop.zsh
@@ -10,7 +10,7 @@ fi
 if [[ ${#user_data} -eq 0 ]]
 then
     output_text="You have no data to remove"
-    return 0
+    return
 fi
 
 output_text="Remove all your data or specific one"