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From: Pieter de Goeje <pieter@degoeje.nl>
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Cc: Olivier Nicole <on@cs.ait.ac.th>
Subject: Re: Get effective group id
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On Tuesday 21 August 2007, Olivier Nicole wrote:
> Hi,
>
> >From a Bourne shell script, how to get (and test) the group id of the
>
> user that is executing the script?
>
> Best regards,
>
> Olivier
id -g will get you the egid. 

if [ `id -g` -eq 1001 ]; then
        echo "It's a hit!"
fi

Hope this helps,

Pieter de Goeje