Created
February 22, 2010 22:53
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| #!/bin/bash | |
| pidfile=$WHERE_YOUR_PIDFILE_IS_LOCATED | |
| if [ -e $pidfile ]; then | |
| pid=`cat $pidfile` | |
| if kill -0 >/dev/null 2>&1 $pid; then | |
| echo "Already running" | |
| exit 1 | |
| else | |
| rm $pidfile | |
| fi | |
| fi | |
| echo $$ > $pidfile |
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