Execute perl in PHP

Question

Possible Duplicate:
Calling Perl script from PHP and passing in variables, while also using variablized perl script name

I want to execute a perl script through PHP. I use exec() to execute the perl script. It works in my machine but does not work on the server. The Server is based on CentOS Linux.

I gave full permission (777) to both the PHP and the perl script file. When I try to execute, I get the following error in error_log

sh: /perl: No such file or directory

I tried to execute using the following ways

exec("perl -w Script.pl $username $password",$output);
exec("/usr/bin/perl -w Script.pl $username $password",$output);
exec("/usr/bin/perl Script.pl $username $password",$output);

I also tried by using the system function

$output = system("perl Script.pl $username $password");

Nothing happening when I try this.

I also tried to execute perl by using the passthru() function

passthru("/usr/bin/perl -w Script.pl $username $password",$output);

When I execute this line, $output prints 127 and nothing happens in the script.

I checked whether file is executable or not with the is_executable() function. It shows that the file is not executable.

Code as below

$file = 'Script.pl';

if (is_executable($file))
{
    echo $file.' is executable';
}
else
{
    echo $file.' is not executable';
}

If I execute perl through the terminal, it works fine but when I try to execute through PHP, it is not working.

Solution

Use full path to execute the script.

exec("/usr/bin/perl /full/path/to/Script.pl $username $password",$output);

Regards,

Comments

[Suresh kumar]

Already i try this.. Not working.

[KingsInnerSoul]

PHP executes as the apache user www-data. Your script is probably needs to run as a sudo, but PHP wont allow it. At least for debiab, run visudo, and then add www-data ALL=(ALL:ALL) NOPASSWD: /pat/to/your/script.pl, then change permission so only root can edit the file (safety): sudo chown root:someuser /path/to/your/script.pl, and lastly make it executable sudo chmod u+rwx /path/to/your/script.pl