RE: [PHP] Re: exec() Error

> -----Original Message----- > From: Boyd, Todd M. [mailto:tmboyd1@ccis.edu] > Sent: Wednesday, June 25, 2008 9:10 AM > To: Wei, Alice J. > Cc: php-general@lists.php.net > Subject: RE: [PHP] Re: exec() Error > > > -----Original Message----- > > From: Wei, Alice J. [mailto:ajwei@indiana.edu] > > Sent: Wednesday, June 25, 2008 9:02 AM > > To: Shawn McKenzie; php-general@lists.php.net > > Subject: RE: [PHP] Re: exec() Error > > > > Hi, Shawn and all: > > > > I tried to run the script using the method you suggested for > > Windows, but it gives me this: > > > > 'http' is not recognized as an internal or external command, > > operable program or batch file. > > > > I could telnet and ping to the server using #80 to where the > script > > calculate.php is located, though. Do you or anyone else on the list > > might tell me why I cannot execute the script through this method? > > > > Here is my calculate.php, if it is of any help to you for > > troubleshooting: > > > > <?php > > // For PHP 5 and up > > $file="http://www.mysite.com/lung.txt"; > > $handle = fopen("lung.txt", "rb"); > > $contents = stream_get_contents($handle); > > fclose($handle); > > $count = count(explode(" ", $contents)); > > echo "<p>There are <b>" . $count. "</b> words in > > <b>" . $file . > > "</b></p>"; > > ?> > > Alice, > > exec() is for executing binary commands over an interface that your > operating system inherently understands, such as its own file system. I > seriously doubt either machine in question is equipped to handle URLs > from the command line without invoking a web browser. > > As I said before, you should investigate cURL or AJAX to push the info > to your remote script, and then use exec() from the remote machine to > execute the client's program which is, as I understand it, housed on > the > remote script's machine. <?php // local script $curl_handle = curl_init(); curl_setopt($curl_handle, CURLOPT_URL, 'http://www.mysite.com/script.php?param=value'); curl_exec($curl_handle); curl_close($curl_handle); ?> - <?php // remote script $param = $_GET['param']; $output = array(); $returnval = 0; exec("/usr/bin/command " . $param, $output, $returnval); // deal with return value/output here ?> HTH, Todd Boyd Web Programmer