bash cli
Miner, Jonathan W (CSC) (US SSA)
jonathan.w.miner at baesystems.com
Wed Aug 22 14:35:23 UTC 2007
-----Original Message-----
>
>As I described earlier, if I had to enter:
>
># pidof mysqld
>
Second, the pidof command prints all the pids associated with a process
name on a single output line. If pidof finds the named process, the line
will have one or more space-separated numbers on it. If it doesn't find
the named process, it will print an empty line. It does not "return null".
-----------------------------
To add to what Tony said... `pidof` will return an exit code of 1 if no processes exist, and 0 if processes do exist:
# pidof Xorg
2354
# echo $?
0
# pidof mysql
# echo $?
1
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