I am a very new user to Moodle and I am trying to understand and implement Tex and Algebra Filters on my installation. I am running Windows Server 2003, IIS6, MySql, PHP 4.xx and Perl v5.008006. I add both the filters in through the adminstration control panel in Moodle. When I check the filters in algebradebug.php and texdebug.php, I get the messages shown below. Any help with this is most appreciated.
algebra.php
1. First click on this button to see the cache_filters database entry for this expression.
DB cache_filters entry for sin(z)/(x^2+y^2) not found
2. If the database entry looks corrupt, click on this button to delete it:
Could not delete DB cache_filters entry for sin(z)/(x^2+y^2)
because it could not be found.
3. Now click on this button . A preliminary translation into TeX will appear in the box below.
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 98
There is a problem with either Perl or the script algebra2tex.pl
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2 2>&1' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 102
Notice: Undefined variable: status in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 103
The shell command
cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2
returned status =
The file permissions of algebra2tex.pl are: 100666
4. Next click on this button . A more refined translation into TeX will appear in the box below.
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 98
There is a problem with either Perl or the script algebra2tex.pl
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2 2>&1' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 102
Notice: Undefined variable: status in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 103
The shell command
cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2
returned status =
The file permissions of algebra2tex.pl are: 100666
5. Then click on this button to show a graphic image of the algebraic expression.
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 98
There is a problem with either Perl or the script algebra2tex.pl
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2 2>&1' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 102
6. Finally check your slash arguments setting
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 98
There is a problem with either Perl or the script algebra2tex.pl
Warning: shell_exec(): Unable to execute 'cd d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra & algebra2tex.pl x/2 2>&1' in d:\domains\aplusmathtutor.com\wwwroot\moodle\filter\algebra\algebradebug.php on line 102
The messages for texdebug.php are very similar.