From f63406bc3e5a871703bc5fc9f08f64a2373ab899 Mon Sep 17 00:00:00 2001
From: Cedric Dufour <cedric-dufour@users.noreply.github.com>
Date: Fri, 4 Sep 2015 11:09:39 +0200
Subject: [PATCH] Lock file

---
 cheat/cheatsheets/bash | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cheat/cheatsheets/bash b/cheat/cheatsheets/bash
index c19f599..571b3ca 100644
--- a/cheat/cheatsheets/bash
+++ b/cheat/cheatsheets/bash
@@ -22,3 +22,6 @@ set +x
 # Retrieve N-th piped command exit status
 printf 'foo' | fgrep 'foo' | sed 's/foo/bar/'
 echo ${PIPESTATUS[0]}  # replace 0 with N
+
+# Lock file:
+( set -o noclobber; echo > my.lock ) || echo 'Failed to create lock file'