Created
October 17, 2014 11:00
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script with lock
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| lockfile=/var/tmp/mylock | |
| if ( set -o noclobber; echo "$$" > "$lockfile") 2> /dev/null; then | |
| trap 'rm -f "$lockfile"; exit $?' INT TERM EXIT | |
| # do stuff here | |
| # clean up after yourself, and release your trap | |
| rm -f "$lockfile" | |
| trap - INT TERM EXIT | |
| else | |
| echo "Lock Exists: $lockfile owned by $(cat $lockfile)" | |
| fi |
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