#!/usr//bin/perl -w
use strict;
use File::Temp;

my $diff      = $ENV{DIFF}      || 'tkdiff';
my $svnexport = $ENV{SVNEXPORT} || 'svn export';

my $file  = pop;
my $dir   = File::Temp->newdir();
my $fname = "$dir/repository_${file}";
my $argv  = "@ARGV";

$argv = "-r HEAD $argv" unless $argv =~ m{-r\s+\d+};

  die "Can't export file $file"
if system("$svnexport $argv $file $fname");

exec("$diff $file $fname");

=head1 NAME

svntkdiff - Show the differences between some repository version and t
+he working copy using tkdiff

=head1 SYNOPSIS

    svntkdiff file
    svntkdiff -r #num file

=head1 DESCRIPTION

=over 2

=item * The environment variable C<DIFF> can be used to set
the C<tkdiff> program used. By default is C<tkdiff>

=item * The environment variable C<SVNEXPORT> can be used to
set the C<svn export> command.  By default is C<svn export>.

=back

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In reply to svn tk diff by casiano

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