Use simple commands (cut, head and tail)

Instead of the powerful sed

scripts/command.sh

@@ -5,7 +5,7 @@ CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "$CURRENT_DIR/.envs"
 
 target_origin=$(tmux list-commands)
-target=$(printf "[cancel]\n%s" "$target_origin" | eval "$TMUX_FZF_BIN $TMUX_FZF_OPTIONS" | grep -o '^[^[:blank:]]*')
+target=$(printf "[cancel]\n%s" "$target_origin" | eval "$TMUX_FZF_BIN $TMUX_FZF_OPTIONS" | cut -d ' ' -f 1)
 
 [[ "$target" == "[cancel]" || -z "$target" ]] && exit
 tmux command-prompt -I "$target"

scripts/keybinding.sh

@@ -9,7 +9,5 @@ target=$(tmux list-keys | sed '1s/^/[cancel]\n/' | eval "$TMUX_FZF_BIN $TMUX_FZF
 [[ "$target" == "[cancel]" || -z "$target" ]] && exit
 if [[ -n $(echo "$target" | grep -o "copy-mode") && -z $(echo "$target" | grep -o "prefix") ]]; then
     tmux copy-mode
-    echo "$target" | sed -E 's/^.{46}//g' | xargs tmux
-else
-    echo "$target" | sed -E 's/^.{46}//g' | xargs tmux
 fi
+echo "$target" | awk '{ $1=$2=$3=$4=""; print $0 }' | sed 's/^ *//' | xargs tmux

scripts/menu.sh

@@ -5,15 +5,14 @@ source "$CURRENT_DIR/.envs"
 
 # get front end list
 tmux_fzf_menu_origin=$TMUX_FZF_MENU
-front_end_list=$(echo -e "$tmux_fzf_menu_origin" | sed -n '1p')
-tmux_fzf_menu_origin=$(echo -e "$tmux_fzf_menu_origin" | sed '1,2d')
-while [[ $(echo -e "$tmux_fzf_menu_origin" | wc -l | xargs) != "0" && $(echo -e "$tmux_fzf_menu_origin" | wc -l | xargs) != "1" ]]; do
-    front_end_list="$front_end_list\n"$(echo -e "$tmux_fzf_menu_origin" | sed -n '1p')
-    tmux_fzf_menu_origin=$(echo -e "$tmux_fzf_menu_origin" | sed '1,2d')
+front_end_list=$(echo -e "$tmux_fzf_menu_origin" | head -1 )$'\n'
+tmux_fzf_menu_origin=$(echo -e "$tmux_fzf_menu_origin" | tail -n +3 )
+while [ $(echo -ne "$tmux_fzf_menu_origin" | wc -l ) -ge 2 ]; do
+    front_end_list+=$(echo  "$tmux_fzf_menu_origin" | head -1)$'\n'
+    tmux_fzf_menu_origin=$(echo  "$tmux_fzf_menu_origin" | tail -n +3)$'\n'
 done
-front_end_list=$(echo -e "$front_end_list" | sed '/^[[:space:]]*$/d')
 
-target=$(printf "%s\n[cancel]" "$front_end_list" | eval "$TMUX_FZF_BIN $TMUX_FZF_OPTIONS")
+target=$(printf "%s[cancel]" "$front_end_list" | eval "$TMUX_FZF_BIN $TMUX_FZF_OPTIONS")
 
 [[ "$target" == "[cancel]" || -z "$target" ]] && exit
 # get the next line in $TMUX_FZF_MENU and execute