🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.unix.shell
Article #4582

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

#4582
From: Robert Davies
Date: Wed, 10 May 1995 00:00
22 lines
1833 bytes
In article <CHRISB.95May9190513@stork.cssc-syd.tansu.com.au>, chrisb@stork.cssc-syd.tansu.com.au (Chris Bitmead) writes:
*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
*ypcat passwd | gawk -F: '{u[$3]=$1;}END{for(i=100;u[i];i++);print(i);}'

This illustrates exactly the point I made in the Perl V Awk thread.
The perl version is portable, local files, NIS, NIS+, Hesiod.
The awk version is kludgy.

-- Rob

--------------------------------------------------------------------------------
    Casper Dik	-	"The only man who can possibly save Solaris"
--------------------------------------------------------------------------------
Technical Details
Message-ID: <1995May10.112740.9871@hasler.ascom.ch>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <CHRISB.95May9190513@stork.cssc-syd.tansu.com.au>

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 1012a6,4df32fd703a6b724
X-Google-Attributes: gid1012a6,public
X-Google-Thread: 10259a,c6417ab4174dabc8
X-Google-Attributes: gid10259a,public
X-Google-Thread: 1020c6,f916f0b90003bf8a
X-Google-Attributes: gid1020c6,public
X-Google-Thread: 1025b4,4df32fd703a6b724
X-Google-Attributes: gid1025b4,public
From: rob@abs.ascom.ch (Robert Davies)
Subject: Re: Gawk v24.7: Why Bother???
Date: 1995/05/10
Message-ID: <1995May10.112740.9871@hasler.ascom.ch>
X-Deja-AN: 102298370
sender: news@hasler.ascom.ch
x-nntp-posting-host: problematix.abs.ascom.ch
references: <CHRISB.95May9190513@stork.cssc-syd.tansu.com.au>
organization: Ascom Telematic AG
reply-to: rob@abs.ascom.ch
newsgroups: comp.unix.shell,gnu.misc.discuss,comp.lang.perl,comp.unix.admin