RE: Awk scripting Question

From: Brian D. McGrew (brian_at_visionpro.com)
Date: 03/03/05

  • Next message: Rushan Sobar: "heartbeat and updating data between 2 nodes" 
    Date: Wed, 2 Mar 2005 17:39:39 -0800
To: "General Red Hat Linux discussion list" <redhat-list@redhat.com>

    Or another way would be:

    For f in `cat /tmp/users`
    Do
        grep $f /etc/passwd | awk -F: '{ print $6 }' >> /tmp/xxx
    done

    -brian

    Brian D. McGrew {brian@doubledimension.com || pacemakertaker@rock.com } 

    ---
> Failure is not an option; it is included with every Microsoft product.
-----Original Message-----
From: redhat-list-bounces@redhat.com
[mailto:redhat-list-bounces@redhat.com] On Behalf Of Smith, Albert
Sent: Wednesday, March 02, 2005 4:09 PM
To: redhat@chamkila.org; General Red Hat Linux discussion list
Subject: RE: Awk scripting Question
How about this:
for x in `cat /tmp/users`
	do
		grep $x /etc/passwd|cut -d":" -f6 >>/tmp/home_dir
	done
Albert Smith
Sr. Unix Systems Administrator
HPCSA, RHCT
Genex Services
440 E. Swedesford Rd.
Wayne, PA 19087
albert.smith@genexservices.com
(610) 964-5154
 
> -----Original Message-----
> From: redhat-list-bounces@redhat.com
> [mailto:redhat-list-bounces@redhat.com] On Behalf Of Simran H.
> Sent: Wednesday, March 02, 2005 7:01 PM
> To: redhat-list@redhat.com
> Subject: Awk scripting Question
> 
> Hey Guys,
> 
> I am trying to do some cleanup work on one of my linux systems and am 
> having problems with a script that I am writing.. Hopefully someone 
> here can help me out:
> 
> ls /home_nfs >> /tmp/users
> foreach user(`cat /tmp/users`)
>         (echo `grep '/$user:' /home/Home_Script/passwd` | awk -F : 
> '{print $6}' | awk -F / '{print "/"$2"/"$3}' >>
> /tmp/home_dir) end
> 
> It looks like the script is failing at the echo `grep '/$user:'
> /home/Home_Script/passwd` part.. Anyone know what I am doing wrong.
> 
> What I am trying to achieve is this:
> 
> I have a file /tmp/users with all usernames and I want to grep for 
> those users names in /etc/passwd and create another directory with 
> just the home dir entries.
> 
> Any help would be grately appreciated.
> 
> Thanks in advance.
> 
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