/usr/bin/vldiff is in libvcs-lite-perl 0.10-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #!/usr/bin/perl
eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
if 0; # not running under some shell
use strict;
use warnings;
use VCS::Lite;
use Getopt::Long;
my $uflag = 0;
my $wintxt = '';
GetOptions(
'unified+' => \$uflag,
'window=s' => \$wintxt,
);
if (@ARGV != 2) {
print <<END;
Usage: $0 [options] file1 file2
Options can be:
-u | --unified output in diff -u format
-w n | --window n set window size to n lines either side
-w m,n | --window m,n set window to m lines before, n lines after
END
exit;
}
my $el1 = VCS::Lite->new(shift @ARGV);
my $el2 = VCS::Lite->new(shift @ARGV);
my $win = 0;
if ($wintxt =~ /(\d+),(\d+)/) {
$win = [$1,$2];
}
elsif ($wintxt =~ /(\d+)/) {
$win = $1;
}
my $dt1 = $el1->delta($el2, window => $win);
my $diff = $uflag ? $dt1->udiff : $dt1->diff;
print $diff;
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