Date: Sun, 14 Oct 2001 14:44:25 +0300 From: Giorgos Keramidas <charon@labs.gr> To: Randy Bush <randy@psg.com> Cc: questions@FreeBSD.ORG Subject: Re: date of a file Message-ID: <20011014144425.A52653@hades.hell.gr> In-Reply-To: <E15sJ9L-000Hfy-00@rip.psg.com> References: <73720831@toto.iv> <15303.43126.44123.116068@guru.mired.org> <E15sJ9L-000Hfy-00@rip.psg.com>
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Randy Bush <randy@psg.com> 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:
Here's a perl variation that I've checked with zsh as my shell.
Quoting might be way different in tcsh, in which case you're much
better off creating a standalone script as shown at the end of this
message:
% perl -e 'foreach $filename (@ARGV) { \
@sdata = stat($filename); \
print "${filename}: " . $sdata[9] . "\n"; \
}' FILE ...
You can use strftime() to format sdata[9] (which is the mtime field of
stat()'s output) to whatever you want. Note that using strftime will
require a `use POSIX qw(strftime)' added to the code. That would make
the final code:
% perl -e 'use POSIX qw(strftime); \
foreach $filename (@ARGV) { \
@sdata = stat($filename); \
print "${filename}: " . \
strftime("FMT", gmtime($sdata[9])) . "\n"; \
}' FILE ...
Here's a slightly different version of the code that you can write to
a standalone script, shown in action:
% cat mtime.pl
#!/usr/bin/perl
use POSIX qw(strftime);
ARG:
foreach $filename (@ARGV) {
@sdata = stat($filename);
next ARG unless (defined(@sdata));
$mtime = $sdata[9];
print "${filename}: " .
strftime("%y%m%d-%H%M%S", gmtime($mtime)) . "\n";
}
% perl mtime.pl mtime.pl /COPYRIGHT /etc
mtime.pl: 011014-113245
/COPYRIGHT: 001120-120312
/etc: 011008-170105
-giorgos
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