Date: Sat, 13 Oct 2001 13:33:16 -0700 From: "Crist J. Clark" <cristjc@earthlink.net> To: Mike Meyer <mwm@mired.org> Cc: Randy Bush <randy@psg.com>, questions@FreeBSD.ORG Subject: Re: date of a file Message-ID: <20011013133316.E36620@blossom.cjclark.org> In-Reply-To: <15304.40263.916320.437239@guru.mired.org>; from mwm@mired.org on Sat, Oct 13, 2001 at 03:00:07PM -0500 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> <15304.40263.916320.437239@guru.mired.org>
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On Sat, Oct 13, 2001 at 03:00:07PM -0500, Mike Meyer wrote:
> 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
Actually, whether that line works or not depends on the shell you are
using.
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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