On 17 Feb 2012, at 12:53, Negin Nickparsa wrote:

> this one:
> $cmd = 'C:/Program\ Files/GAMS23.7/gams.exe'.' '.escapeshellarg('C:/Program 
> Files/GAMS23.7/trnsport_php.gms').' 2>&1';
> 
> GENERATES:
> 
> string(100) "'C:/Program\' is not recognized as an internal or external 
> command, operable program or batch file. "

Ok, in that case try \\\ instead of \. Alternatively move GAMS23.7 out of 
Program Files and into a directory without spaces!

> Change the \\ in the commands to just a single \ but leave the space after it.
> 
>> On Fri, Feb 17, 2012 at 4:10 PM, Negin Nickparsa <nickpa...@gmail.com> wrote:
>> ok sorry,I tried yours It generates Null.
>> 
>> 
>> On Fri, Feb 17, 2012 at 4:06 PM, Stuart Dallas <stu...@3ft9.com> wrote:
>> Please quote the relevant parts of the email you're replying to - your 
>> emails have massively diminished usefulness to the archives.
>> 
>> On 17 Feb 2012, at 12:21, Negin Nickparsa wrote:
>> 
>>> It generates NULL
>> 
>> 
>> My bad, try this…
>> 
>> $cmd = 'C:/Program\\ Files/GAMS23.7/gams.exe'.' '.escapeshellarg('C:/Program
>> Files/GAMS23.7/trnsport_php.gms').' 2>&1';
>> 
>> If that still doesn't seem to work, I suggest you try just executing the 
>> command without arguments…
>> 
>> $cmd = 'C:/Program\\ Files/GAMS23.7/gams.exe 2>&1';
>> 
>> Backticks execute a command and return the output: 
>> http://php.net/language.operators.execution

-Stuart

-- 
Stuart Dallas
3ft9 Ltd
http://3ft9.com/

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