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#!/usr/bin/php
<?php
/**
* Text_Diff example script.
*
* Take two files from the command line args and produce a unified
* diff of them.
*
* @package Text_Diff
*/
include_once 'Text/Diff.php';
include_once 'Text/Diff/Renderer.php';
include_once 'Text/Diff/Renderer/unified.php';
/* Make sure we have enough arguments. */
if (count($argv) < 3) {
echo "Usage: diff.php <file1> <file2>\n\n";
exit;
}
/* Make sure both files exist. */
if (!is_readable($argv[1])) {
echo "$argv[1] not found or not readable.\n\n";
}
if (!is_readable($argv[2])) {
echo "$argv[2] not found or not readable.\n\n";
}
/* Load the lines of each file. */
$lines1 = file($argv[1]);
$lines2 = file($argv[2]);
/* Create the Diff object. */
$diff = &new Text_Diff($lines1, $lines2);
/* Output the diff in unified format. */
$renderer = &new Text_Diff_Renderer_unified();
echo $renderer->render($diff);
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