On Fri, Feb 17, 2012 at 3:43 PM, Negin Nickparsa <nickparsa@xxxxxxxxx>wrote: > Fatih C:\Program Files\GAMS23.7 this is where my Gams is. > maybe the problem is with permissions > what should I do for permissions? > what shoud I do to write this path file:'( > I need it! > when echo system('dir') > shows me files of C:\Program Files\GAMS23.7 > then it shoud run the command gams.exe transport.gms without giving > pathfiles > > what's wrong here? > what reason is here for setting path files? > > > On Fri, Feb 17, 2012 at 5:06 PM, Fatih P. <fatihpiristine@xxxxxxxxx>wrote: > >> ERRORNULL >> maybe program Files which has space should have something like \ which I >> don't know ha? >> or because of Null It is correct? >> >> means false.. it cannot find the path. you have problem with path. >> > > for path: $path = "\"C:/Program Files/GAMS23.7/gams.exe"\"; qoute the paths using \" double quoutes outside. then pass them.