Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!zephyr.ens.tek.com!uw-beaver!milton!sumax!ole!thebes!amc-gw!stuart
From: stuart@amc-gw.amc.com (Stuart Poulin)
Newsgroups: comp.unix.shell
Subject: Re: Retaining file permissions
Keywords: chmod, sed, awk
Message-ID: <5864@amc-gw.amc.com>
Date: 27 Feb 91 18:22:04 GMT
References: <6039@ptsfa.PacBell.COM> <1991Feb22.041826.201@athena.mit.edu> <11554@jpl-devvax.JPL.NASA.GOV>
Reply-To: stuart@tfatf.amc.com (Stuart Poulin)
Organization: Applied Microsystems, Redmond, WA
Lines: 21


You can edit the file in place using ex and `here'.  Ex has options to
suppress it's informative output if you want (I think).

#!/bin/sh
File=$1
echo -n "From "
read FROM
echo -n "To "
read TO

ex $File <<!E!O!F!
g/$FROM/s//$TO/g
w
q
!E!O!F!

-----------------------------------------------------------------------
Stuart Poulin                             DNS: stuart@amc.com
Applied Microsystems Corporation         UUCP: amc-gw!stuart
Redmond, Washington  98073               Dial: 800-ASK-4AMC,206-882-2000