lock, a simple lock utility

1 files changed, 14 insertions, 0 deletions

diff --git a/lock b/lock
new file mode 100755
index 0000000..b4b285d
--- /dev/null
+++ b/lock
@@ -0,0 +1,14 @@
+lock() {
+
+	if ! mkdir "$1" &>/dev/null;  then
+		while true; do
+			sleep 2;
+			if [[ ! -d "$1" ]]; then
+				return
+			fi
+		done
+	fi;
+
+}
+
+lock $1