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From: Greg Badros <gjb@cs.washington.edu>
To: "Bart Schaefer" <schaefer@brasslantern.com>
Cc: Greg Badros <gjb@cs.washington.edu>, zsh-users@math.gatech.edu
Subject: Re: is text file?
Date: 30 Sep 1997 13:02:37 -0700	[thread overview]
Message-ID: <qrren667eoy.fsf@demille.cs.washington.edu> (raw)
In-Reply-To: "Bart Schaefer"'s message of "Tue, 30 Sep 1997 11:56:12 -0700"

I use this in ~/zsh-fns/only-text-files:

# Filter out non-text-files from the argument list
# Usage: grep -c foo `only-text-files *`
file -f =(for i in "$@"; do print $i; done) |\
   awk -F: '{name = $1; $1 = ""; if ($0 ~ / text( |$)/) { print name }}'

I think it's important to use "file", as that is the system-supported way
of testing whether a file contains text.  The file man page also
strongly encourages the use of the string "text" in files which are
text, so it's pretty reliable to use the regexp (one possible exception
is postscript files).

Greg J. Badros
gjb@cs.washington.edu
Seattle, WA  USA
http://www.cs.washington.edu/homes/gjb


      reply	other threads:[~1997-09-30 20:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-09-28 22:31 Jose Unpingco
1997-09-29  0:06 ` Bart Schaefer
1997-09-29 16:25   ` Greg Badros
1997-09-29 17:44     ` Bart Schaefer
1997-09-29 21:28     ` TGAPE!
1997-09-30  3:53       ` Bart Schaefer
1997-09-30 16:19       ` Greg Badros
1997-09-30 18:56         ` Bart Schaefer
1997-09-30 20:02           ` Greg Badros [this message]

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