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Article #4580

Re: Gawk v24.7: Why Bother???

#4580
From: Chris Bitmead
Date: Tue, 09 May 1995 00:00
20 lines
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In article <3o2k4j$sv7@pipe.pipex.net> tim@pipex.net (Tim Goodwin) writes:

>In article <3nsibr$879@kimble.mistral.co.uk>,
>Mark Sheppard <kimble@mistral.co.uk> wrote:
>>>  # find first unused uid after 100, even with perl4
>>>  perl -le '$i = 100; $i++ while ($x) = getpwuid($i); print $i'
>>
>>You can do this using gawk:
>>
>>gawk -F: '{u[$3]=$1;}END{for(i=100;u[i];i++);print(i);}' /etc/passwd
>
>The awk script doesn't work if you're using NIS, or in general when
>/etc/passwd doesn't contain every uid.

ypcat passwd | gawk -F: '{u[$3]=$1;}END{for(i=100;u[i];i++);print(i);}'

--

Chris Bitmead
chrisb@ind.tansu.com.au
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From: chrisb@stork.cssc-syd.tansu.com.au (Chris Bitmead)
Subject: Re: Gawk v24.7: Why Bother???
Date: 1995/05/09
Message-ID: <CHRISB.95May9190513@stork.cssc-syd.tansu.com.au>
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