Process

From PlainOldWebserver

This is your ticket to the command line. Feedback is limited to the exit value. A non-zero exit value throws an exception.

 var args = new  Array();
 var file = "test.pl";
 var dirservice=Components.classes["@mozilla.org/file/directory_service;1"].
     getService(Components.interfaces.nsIProperties);
 var f = dirservice.get('ProfD', Components.interfaces.nsILocalFile);
 f = pow_append_path(f, file);
 var runner = Components.classes["@mozilla.org/process/util;1"].
     getService(Components.interfaces.nsIProcess);
 runner.init(f);
 var result = runner.run(true, args, args.length);
 alert(result);

test.pl:

 #! /usr/bin/perl
 `ls > /tmp/trash.txt`;
 print "OK";
 exit(0);

Result:

 Exit value is 0

On the Mac, the working directory is / and the output goes to the console. /tmp/trash.txt contains a directory listing.