php exec() syntax check

Question

This works in the command prompt(in one line) :

cd C:\Program Files (x86)\LibreOffice 4\program && 
"C:\Program Files (x86)\LibreOffice 4\program\python.exe" unoconv -f pdf d:\class1.doc

but when it comes to do the same in PHP's exec() nothing happens - neither message nor any file, probably due to a syntax error :

echo exec('cd C:\\Program Files (x86)\\LibreOffice 4\\program &&
"C:\\Program Files (x86)\\LibreOffice 4\\program\\python.exe" unoconv -f pdf d:\\class1.doc');

Community · Accepted Answer · 2023-11-17 20:33:26Z

1

Once you have cd into a dir, no need to call the executable within it from the full path again. you can call it directly.

Try this:

<?php

// Test
$ret = exec('cd "C:\Program Files (x86)\LibreOffice 4\program\" && python.exe unoconv -f pdf d:\\class1.doc', $output, $error);

// Debug
var_dump($ret);
var_dump($output);
var_dump($error);

?>

Take a look at the documentation here: https://www.php.net/function.exec

edited Nov 17, 2023 at 20:33

CommunityBot

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answered Nov 5, 2013 at 14:23

Latheesan

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6 Comments

Bor Over a year ago

the usage of python.exe is fine but still var_dumps empty strings

Latheesan Over a year ago

var dump of all 3 is empty?

Bor Over a year ago

$ret : string(0) "" $output : array(0) { } $error : int(1) - cannot see the error ?

Latheesan Over a year ago

for the purpose of testing, can you copy the class1.doc into C:\Program Files (x86)\LibreOffice 4\program` and try this line and see if it works: $ret = exec('cd "C:\Program Files (x86)\LibreOffice 4\program\" && python.exe unoconv -f pdf class1.doc', $output, $error);`

Bor Over a year ago

It should be in another partition the converted document, in C:\ it asks for permissions, even if i have

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