Refactor and delete clauncher-update

clauncher

@@ -2,15 +2,17 @@
 
 cacheDir=${XDG_CACHE_HOME:-"$HOME/.cache"}
 configDir=${XDG_CONFIG_HOME:-"$HOME/.config"}/clauncher
-
 cacheFile="$cacheDir/launcher_opts"
 historyFile="$cacheDir/launcher_opts_history"
 
-if ! [[ -f "$cacheFile" ]] || [[ "$1" == "update" ]]; then
+update_cache() {
+	if ! [[ -f "$cacheFile" ]] || [[ "$1" == "update" ]]; then
 		"$configDir"/capture.zsh 'open -a' | sed -e 's/.*-a//' -e  "s/\\\//g" -e "s/\r//g" | grep -v -f "$configDir"/.open_ignore | (cat "$configDir"/.open_add; cat -) | sort -u > "$cacheFile"
-fi
+	fi
+}
 
-gawk -v histfile=$historyFile '
+run_launcher() {
+	gawk -v histfile=$historyFile '
 		BEGIN {
 			while( (getline < histfile) > 0 ) {
 				sub("^[0-9]+\t","")
@@ -43,3 +45,29 @@ gawk -v histfile=$historyFile '
 			}
 		' \
 		| xargs -I {} open -a "{}"
+}
+
+usage() {
+    cat << EOF
+usage: ${0##*/} [command]
+    update      - Update program list
+    help        - Display this help message
+EOF
+}
+
+runScript() {
+    if [ "$#" -eq 0 ]; then
+        update_cache
+        run_launcher
+    elif [ "$1" == "update" ]; then
+        update_cache
+    elif [ "$1" == "help" ]; then
+        usage
+	exit 0
+    else
+        echo "Invalid command. Use 'help' to see available commands."
+        exit 1
+    fi
+}
+
+runScript "$@"

clauncher-update

@@ -1,9 +0,0 @@
-#!/usr/bin/env bash
-
-cacheDir=${XDG_CACHE_HOME:-"$HOME/.cache"}
-configDir=${XDG_CONFIG_HOME:-"$HOME/.config"}/clauncher
-
-cache="$cacheDir/launcher_opts"
-
-"$configDir"/capture.zsh 'open -a' | sed -e 's/.*-a//' -e  "s/\\\//g" -e "s/\r//g" | grep -v -f "$configDir"/.open_ignore | (cat "$configDir"/.open_add; cat -) | sort -u > "$cache"
-