http://blog.oremj.com/2008/12/02/simple-bash-locking/ What is Jeremy thinking about? Thu, 14 Jan 2010 16:57:12 +0000 hourly 1 http://wordpress.org/?v=3.0 http://blog.oremj.com/2008/12/02/simple-bash-locking/comment-page-1/#comment-6237 cp Thu, 14 Jan 2010 16:57:12 +0000 http://blog.oremj.com/?p=24#comment-6237 You can avoid the race condition by using "set -o noclobber". Like this: if ! (set -o noclobber; echo "$$" > "/tmp/lock") 2> /dev/null; then echo "locking failed" exit 1 fi You can avoid the race condition by using “set -o noclobber”. Like this:
if ! (set -o noclobber; echo “$$” > “/tmp/lock”) 2> /dev/null; then
echo “locking failed”
exit 1
fi

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