Re: [PLUG] How to find parent in the shell?

[Tobias DiPasquale <toby@cbcg.net>]

On Mon, 2004-01-05 at 01:38, Michael C. Toren wrote:
> Unfortunately, the above command is somewhat deceptive, at least for
> mawk version 1.3.3-8, which is the awk implementation that happens to be
> installed on my local system.  Based on the output of the following test,
> mawk seems to use nul-terminated strings internally, probably the result
> of using stdio:
> 
> 	[mct@ellesmere ~]$ echo -e "foo\0bar"| awk '{print}'
> 	foo

Use this instead for argv[0] of the parent:

shell% awk '{print}' /proc/$PPID/cmdline | tr '\0' '\n' | head -1

That will yield the correct results. Of course, it will also only work
on Linux. HTH :)

-- 
Tobias DiPasquale, www.cbcg.net
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