[NMLUG] grep help

[jason at claim.md (Jason Davis)]

On Wed, 2005-03-16 at 14:39 -0700, Ed Heron wrote:
>   I'm writing a bash script that needs to check if a particular person is in 
> a specific group.
> 
>   I'm using:
> 
> if grep "^${group}:.*[:,]${user}[,$]" /etc/group >/dev/null ; then echo 
> "${user} is a member of ${group}" ; fi
> 
>   Unfortunately, if $user is last in the list it appears to be false.  If I 
> `grep "^${group}:.*[:,]${user}$" /etc/group` it succeeds.
> 
>   I don't use many regexp, am I missing something? 
> 



this works for me

if grep -R "audio.*,*fred,*" /etc/group > /dev/null; then echo "yes"; fi


here is the line from /etc/group
audio:x:29:mohadib,fred

* == 0 or more times

hth,
jd




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