bot: Use shell built-in zero string checker

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

1 files changed, 1 insertions, 1 deletions

diff --git a/bot.zsh b/bot.zsh
index d3d517d..a9d0f86 100755
--- a/bot.zsh
+++ b/bot.zsh
@@ -846,7 +846,7 @@ do
     help_line_counter=$((help_line_counter + 1))
 done
 
-if [[ ${#help_general} -eq 0 ]]
+if [[ -z "${help_general}" ]]
 then
     log_text="Error: No 'general' header found in ${file}"
     source "${units}/log.zsh"