asdf

modserver/globals.sh

@@ -33,6 +33,45 @@ die() {
 	errmsg "$*"
 	exit 1
 }
+isnum() {
+	case $1 in
+		''|*[!0-9]*)
+			exit 1
+			;;
+		*)
+			exit 0
+	esac
+}
+isempty() {
+	for arg in "$@" ; do
+		# exit in error if file
+		if [ -f "$arg" ] ; then
+			exit 1
+		elif [ -L "$arg" ] ; then
+			# if is a symlink, check what it points to
+			# note: this only checks one-link level deep
+			if [ -d "$(readlink "$arg")" ] ; then
+				exit 0
+			else
+				exit 1
+			fi
+		elif [ -d "$arg" ] ; then
+			:
+		else
+			# is not a directory or a link to a directory
+			exit 1
+		fi
+
+		# there should be a way to make this be builtins only
+		# using printf and glob expansions, look into later
+		if /bin/rmdir "$arg" 2>/dev/null ; then
+			/bin/mkdir -p "$arg"
+			exit 0
+		else
+			exit 1
+		fi
+	done
+}
 mount_dayz_network_drive() {
 	if ! is_network_drive_mounted ; then
 		sudo mkdir -p /mnt/dayz