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To: Irish Linux Users Group <ilug@linux.ie>
Reply-To: Irish Linux Users Group <ilug@linux.ie>
Subject: Re: [ILUG] Re: Csh shell scripts
In-Reply-To: Message from Lars Hecking <lhecking@nmrc.ie> of
"Thu, 01 Aug 2002 17:35:51 BST."
<20020801163551.GB7945@nmrc.ie>
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Date: Sat, 03 Aug 2002 15:10:03 +0100
From: Brian Foster <blf@utvinternet.ie>
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| Date: Thu, 1 Aug 2002 17:35:51 +0100
| From: Lars Hecking <lhecking@nmrc.ie>
|
| > quickie for shell scripters:
| > How do I find out the time a file was created at?
|
| There is no canonical test, and the information is not necessarily
| available. [ ... ] This information is also shown by ls -lc, but
| parsing ls' output requires a bit of effort. I'd rather recommend
| [ writing ] a short C program to access the file status directly,
| and output the ctime directly (seconds since the epoch, i.e. perfect
| | for numerical comparison).
some systems have a stat(1) tool --- don't think it's GNU --
which, when given the `-t' option, does exactly what Lars is
suggesting:
$ stat -t /etc/motd
/etc/motd 21 8 81a4 0 0 303 79 1 0 0 1028070983 830730492 1013296719
minor problem is the `-t' format is not actually explained in
the man page, but its fairly easy to work out (or you can just
look at the source). also, since the filename is printed as
the first "field", bizarre filenames (e.g., ones which contain
spaces or newlines) can confuse a simple script.
cheers!
-blf-
| (Another way is to use GNU find -printf with a custom format [ ... ]
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