Date: Sat, 13 Oct 2001 15:00:07 -0500 From: Mike Meyer <mwm@mired.org> 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 Message-ID: <15304.40263.916320.437239@guru.mired.org> In-Reply-To: <20011013122653.B36620@blossom.cjclark.org> References: <73720831@toto.iv> <15303.43126.44123.116068@guru.mired.org> <E15sJ9L-000Hfy-00@rip.psg.com> <20011013030023.M6274@blossom.cjclark.org> <15304.21677.127685.628179@guru.mired.org> <20011013122653.B36620@blossom.cjclark.org>
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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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