70 lines
1.2 KiB
Perl
Executable File
70 lines
1.2 KiB
Perl
Executable File
#!/usr/local/bin/perl -w
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#
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# $Id: cvsdiffmin,v 1.2 2000-02-08 16:58:28 hjp Exp $
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#
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# cvsdiffmin - minimize output of cvs diff
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#
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use strict;
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use File::Slurp;
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my $diff = "/usr/local/bin/diff";
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my $state = 'EQ';
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my %text = ();
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my %cap = ();
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my $count = 0;
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local $| = 1;
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while (<>) {
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if ($state eq 'EQ' && /^\<{7} /) {
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$state = 'V1';
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$text{$state} = "";
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s/'/_/g;
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$cap{$state} = $_;
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next;
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}
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if ($state eq 'V1' && /^\={7}$/) {
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$state = 'V2';
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$text{$state} = "";
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next;
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}
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if ($state eq 'V2' && /^\>{7} /) {
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s/'/_/g;
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$cap{$state} = $_;
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write_file("cvsdiffmin.$$.$count.1", $text{V1});
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write_file("cvsdiffmin.$$.$count.2", $text{V2});
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open (DIFF,
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"$diff " .
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" --unchanged-group-format='\%='" .
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" --changed-group-format='${cap{V1}}\%<=======\n\%>${cap{V2}}'" .
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" --old-group-format='${cap{V1}}\%<=======\n\%>${cap{V2}}'" .
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" --new-group-format='${cap{V1}}\%<=======\n\%>${cap{V2}}'" .
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" cvsdiffmin.$$.$count.1" .
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" cvsdiffmin.$$.$count.2" .
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"|") or die "cannot invoke diff: $!";
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while (<DIFF>) {
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print;
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}
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close(DIFF);
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$state = 'EQ';
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$count++;
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next;
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}
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if ($state eq 'EQ') {
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print;
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} else {
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$text{$state} .= $_;
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}
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}
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print "$state\n";
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# vim:sw=4
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