system function doesn't work

Question

I want to execute an application which is gams in php I insert the path file location below It shows error how can I correct it?

$modelfile = 'trnsport_php.gms';
if (!system('C:/Documents and Settings/Parsa/My Documents/gamsdir/projdir'.$modelfile.' lo=2')) {
  print "error";
}

Looks like you are using a Windows system. Shouldn't / be \ ? — codaddict
– codaddict, Commented Feb 14, 2012 at 8:49

Willem Mulder · Accepted Answer · 2012-02-14 09:02:17Z

1

You should add a "/" after

!system('C:/Documents and Settings/Parsa/My Documents/gamsdir/projdir

answered Feb 14, 2012 at 9:02

Willem Mulder

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2 Comments

Nickool Over a year ago

Thanks No It doesn't work I found new things I was in a big mistake it is like running in shell so I asked this one stackoverflow.com/questions/9326633/…

Willem Mulder Over a year ago

You might want to use "if system(...) === FALSE" since it outputs a boolean FALSE on error. !(system(...)) might also evaluate to true when system returns an empty line or "0".

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