[PHP] system command

[ron clark]

I an trying to add virus scanning to the file upload section of our 
portal using uvscan. The virus scanning is working properly using a 
system call , but I am having problems with formatting the output. I 
need to check the return value and if it is not a 0, I want to create a 
custom message. The problem is, when using system the output of the call 
is flushed to the browser before I can write the custom message so I 
have the uvscan message and then my custom message.

This is my code.
       $uvscan_cmd = "/usr/local/bin/uvscan " . 
$_FILES['file']['tmp_name'];
       $output = system("$uvscan_cmd" , $retval);

       if ( $retval != 0) {
               print "<br>A virus was found in your file <br>$output<br>";
          exit;
       }
This results in the following sent to the browser.
/var/tmp/phpBFaaIa Found the W32/[EMAIL PROTECTED] virus !!!
A virus was found in your file.
Found the W32/[EMAIL PROTECTED] virus !!!
How can get rid of the first line and still have data $output? I tried 
adding a 2 > &1 to the system call and tried redirecting the output to 
/dev/null. This got rid of the first line but also resulted in $output 
not having an output.

--
Ron Clark
System Administrator/Web Coordinator
Armstrong Atlantic State University
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