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Re: bsd diff bug

From: John Darrington
Subject: Re: bsd diff bug
Date: Thu, 6 Oct 2005 07:13:19 +0800
User-agent: Mutt/1.5.9i

On Wed, Oct 05, 2005 at 12:23:52PM -0700, Ben Pfaff wrote:
     Jason Stover <address@hidden> writes:
     > In the test scripts, the problem appears at lines that
     > look like this:
     >  diff -B -b -w file.list - << EOF
     > BSD diff does not recognize the -B option.
     I was planning to, eventually, write a script that filters out
     blank lines from both files passed as arguments and then passes
     the filtered data along to diff.  If we use any other nonportable
     options, then it may be possible to handle them the same way.

I think this is the best way.  Just replace 

 diff -B -b -w file.list - << EOF

with something like

 diff file.list - << EOF
EOF | sed -e 's/^[\t ]*$//'
Hopefully all seds should recognise this (I'm not too sure about the return 
status of this pipeline though.  Have to think about it a bit more....)


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