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On 06/20/2014 09:23 AM, Jim Michaels wrote:
> 1.run firefox (am using linux mint 17 in virtual machine vbox) version 28.0
>
> 2.start xterm
> 3.ps -e | grep firefox | cut -f 2
> this should be the equivalent of ps -C firefox -o pid=
> actual:
> 2366 ? 00:02:53 firefox
> expected:
> 2366
cut defaults to tab field delimiters, which you would change with -d ' '
Note the _possible_ leading space are going to be problematic there so
you'd be better with something like:
ps - e | awk '/firefox/{print $1}'
Though your already presented command is probably most efficient/accurate:
ps -C firefox -o pid=
thanks,
Pádraig.
