diff --git a/clauncher b/clauncher
index e3dcda6..322a09b 100755
--- a/clauncher
+++ b/clauncher
@@ -2,44 +2,72 @@
 
 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" ]] || [[ "$1" == "update" ]]; then
-	"$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 > "$cacheFile"
-fi
+update_cache() {
+	if ! [[ -f "$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
+}
 
-gawk -v histfile=$historyFile '
-	BEGIN {
-		while( (getline < histfile) > 0 ) {
-			sub("^[0-9]+\t","")
-			print
-			x[$0]=1
-		}
-	} !x[$0]++ ' "$cacheFile" \
-	| fzf -e --tiebreak=index \
-	| gawk -v histfile=$historyFile '
+run_launcher() {
+	gawk -v histfile=$historyFile '
 		BEGIN {
-			FS=OFS="\t"
-			while ( (getline < histfile) > 0 ) {
-				count=$1
+			while( (getline < histfile) > 0 ) {
 				sub("^[0-9]+\t","")
-				fname=$0
-				history[fname]=count
+				print
+				x[$0]=1
+			}
+		} !x[$0]++ ' "$cacheFile" \
+		| fzf -e --tiebreak=index \
+		| gawk -v histfile=$historyFile '
+			BEGIN {
+				FS=OFS="\t"
+				while ( (getline < histfile) > 0 ) {
+					count=$1
+					sub("^[0-9]+\t","")
+					fname=$0
+					history[fname]=count
+				}
+				close(histfile)
 			}
-			close(histfile)
-		}
 
-		{
-			history[$0]++
-			print
-		}
+			{
+				history[$0]++
+				print
+			}
 
-		END {
-			if(!NR) exit
-			for (f in history)
-				print history[f],f | "sort -t '\t' -k1rn >" histfile
-		}
-	' \
-	| xargs -I {} open -a "{}"
+			END {
+				if(!NR) exit
+				for (f in history)
+					print history[f],f | "sort -t '\t' -k1rn >" histfile
+			}
+		' \
+		| 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 [ "$1" == "help" ]; then
+        usage
+	exit 0
+    else
+        echo "Invalid command. Use 'help' to see available commands."
+        exit 1
+    fi
+}
+
+runScript "$@"
diff --git a/clauncher-update b/clauncher-update
deleted file mode 100755
index 01ae3df..0000000
--- a/clauncher-update
+++ /dev/null
@@ -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"
-