Re: Diffs from CVS keyword expansion

merlyn@stonehenge.com (Randal L. Schwartz) writes:

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"Uwe" == Uwe Kleine-Koenig [off-list ref] writes:

Uwe> 	#! /bin/sh
Uwe> 	exec perl -i -p -e 's/\$(Id|Revision):.*?\$/\$$1: \$/' "$@";

Ow.  My eyes hurt from that.  How about we rewrite that as a native Perl
script:

    #!/usr/bin/perl
    $^I = ""; # this is -i
    while (<>) {
      s/\$(Id|Revision):.*?\$/\$$1: \$/;
      print;
    }

That's kinda surprising coming from the resident Perl guru.

I am so used to the command line "-i -p" that I did not even
know what $^I does, and I would have lost without your "# this
is -i" comment.  That alone makes the Uwe's one more readable
for me ;-).