From owner-freebsd-questions  Sat Oct 13 13: 0:18 2001
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From: Mike Meyer <mwm@mired.org>
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Date: Sat, 13 Oct 2001 15:00:07 -0500
To: cjclark@alum.mit.edu
Cc: Mike Meyer <mwm@mired.org>, Randy Bush <randy@psg.com>,
	questions@FreeBSD.ORG
Subject: Re: date of a file
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Crist J. Clark <cristjc@earthlink.net> types:
> On Sat, Oct 13, 2001 at 09:50:21AM -0500, Mike Meyer wrote:
> > Crist J. Clark <cristjc@earthlink.net> types:
> > > On Sat, Oct 13, 2001 at 12:23:59AM -0700, Randy Bush wrote:
> > > > > date +%y%m%d-%H%M%S -jf "%b %d %H:%M:%S" `ls -lT filename | awk ' { print $6, $7, $8, $9 } '` 
> > > > 
> > > > i have tried many variations on this, and all fail as follows:
> > > > 
> I spoke too soon. It seems to be a problem with the way the shell
> parses the command line. For example, a script like,
> 
>   #!/bin/sh
> 
>   DATE=`ls -lT $1 |  awk '{print $6, $7, $8, $9}'`
> 
>   date -j -f '%b %d %T %Y' "$DATE" +%y%m%d-%H%M%S
> 
> Works fine. date(1) is fine.

Ugh. RIght - it's the backtick quoting. You can do it on one line like
so:

date -j -f '%b %d %T %Y' "`ls -lT /kernel |  awk '{print $6, $7, $8, $9}'`" +%y%m%d-%H%M%S


	<mike
--
Mike Meyer <mwm@mired.org>			http://www.mired.org/home/mwm/
Q: How do you make the gods laugh?		A: Tell them your plans.

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