Typo3 - record history weird behaviour

Question

I am facing a weird problem which I've never seen before in typo3 version 6.0, but right now I have to use typo3 4.5.29. There's something wrong with the "record history", when I try to display change history of a page content, this is what I see:

Normally in the "Differences" column I would see the changes in green colored text and the old values which were removed in red colored text, but I see some kind of number which I don't even understand the meaning...

Anyone is facing the same thing ?

Thank you very much for your help.

Cindy

Answer 1

TYPO3 uses external software called "diff" for creating a coloured view of the difference. Have a look at t3lib/class.t3lib_diff.php for implementation details.

I guess $GLOBALS['TYPO3_CONF_VARS']['BE']['diff_path'] is set wrong or diff is not available.

untested:

If you cannot ask the admin of your server, create an php-file somehow like this for testing purpose:

<?php 
$GLOBALS['TYPO3_CONF_VARS']['BE']['diff_path'] = '/usr/bin/'; // do not know your system
$file1 = '';
$file2 = '';

$cmd = $GLOBALS['TYPO3_CONF_VARS']['BE']['diff_path'] . '  ' . $file1 . ' ' . $file2;
$res = array();
echo exec($cmd, $res, $returnValue)
echo $res;
?>

This file should output something like

diff: missing operand