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Algorithm::Diff 1.1902

  Date Added: February 07, 2010  |  Visits: 708

Algorithm::Diff

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Algorithm::Diff is a Perl module to compute `intelligent differences between two files / lists. SYNOPSIS require Algorithm::Diff; # This example produces traditional diff output: my $diff = Algorithm::Diff->new( @seq1, @seq2 ); $diff->Base( 1 ); # Return line numbers, not indices while( $diff->Next() ) { next if $diff->Same(); my $sep = ; if( ! $diff->Items(2) ) { printf "%d,%dd%dn", $diff->Get(qw( Min1 Max1 Max2 )); } elsif( ! $diff->Items(1) ) { printf "%da%d,%dn", $diff->Get(qw( Max1 Min2 Max2 )); } else { $sep = "---n"; printf "%d,%dc%d,%dn", $diff->Get(qw( Min1 Max1 Min2 Max2 )); } print "< $_" for $diff->Items(1); print $sep; print "> $_" for $diff->Items(2); } # Alternate interfaces: use Algorithm::Diff qw( LCS LCS_length LCSidx diff sdiff compact_diff traverse_sequences traverse_balanced ); @lcs = LCS( @seq1, @seq2 ); $lcsref = LCS( @seq1, @seq2 ); $count = LCS_length( @seq1, @seq2 ); ( $seq1idxref, $seq2idxref ) = LCSidx( @seq1, @seq2 ); # Complicated interfaces: @diffs = diff( @seq1, @seq2 ); @sdiffs = sdiff( @seq1, @seq2 ); @cdiffs = compact_diff( @seq1, @seq2 ); traverse_sequences( @seq1, @seq2, { MATCH => &callback1, DISCARD_A => &callback2, DISCARD_B => &callback3, }, &key_generator, @extra_args, ); traverse_balanced( @seq1, @seq2, { MATCH => &callback1, DISCARD_A => &callback2, DISCARD_B => &callback3, CHANGE => &callback4, }, &key_generator, @extra_args, );.

Requirements: No special requirements
Platforms: Linux
Keyword: Algorithmdiff Diff Discard Lcs Libraries Perl Perl Module Programming Qw Traverse
Users rating: 0/10

License: Freeware Size: 33.79 KB
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