Small changes

bin/.bin/todo

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+# Simple todo list
+
+FILE="$HOME/.todo"
+
+function is_int() {
+	return $(test "$@" -eq "$@" > /dev/null 2>&1);
+}
+
+function list(){
+	if [ -f "$FILE" ]; then
+		awk '{printf("%5d : %s\n", NR,$0)}' "$FILE"
+	else
+		echo "$FILE does not exist"
+		exit 1
+	fi
+}
+
+function add(){
+	echo "$@" >> "$FILE"
+}
+
+function delete(){
+	while [ -n "$1" ]; do
+		if is_int "$1"; then
+			sed -i "${1}d" "$FILE"
+		fi
+		shift
+	done
+	exit
+}
+
+if [ -n "$1" ]; then
+	while [ -n "$1" ]; do
+		case "$1" in 
+			"list"|"l")
+				shift
+				list "$@"
+				exit 0
+				;;
+			"add"|"a")
+				shift
+				add "$@"
+				exit 0
+				;;
+			"delete"|"del"|"d")
+				shift
+				delete "$@"
+				exit 0
+				;;
+			*)
+				echo "Command $1 unknown"
+				exit 1
+		esac
+	done
+else
+	list
+fi
+exit