Igor Peshansky wrote: > Ciarán Ó Duibhín wrote: > > Hi, > > > > I have no experience with cygwin, but I downloaded a Windows .exe which > > is a unix program compiled for Windows with cygwin. Several cygwin > > dll's are included. > > > > I can run this program from the DOS command line. > > An example command line is: > > c:\progra~1\freeli~1.4\analyzer -f data\config\en.cfg < c:\split.txt > > > new.txt > > > > But I would like to launch it from another Windows application - a > > graphic interface I am writing for it, in fact. However, when I supply > > the above command line to the Windows CreateProcess function as the > > lpCommandLine parameter, I get the error message > > "CONFIG_OPTIONS: Error -11 parsing command line. > > unknown option '' at position 4 in command line" > > ie. the redirection symbol <. It doesn't matter whether or not there is > > a space after the redirection symbol. > > > > This is the same error message as produced when a commandline parameter > > which is genuinely in error is supplied to the program, so it seems that > > the combination of CreateProcess and cygwin is passing the redirection > > parameter to the program in some mutated form, whereas it arrives > > correctly from the command line. > > Ciarán, > > CreateProcess() is not a shell -- it will pass all arguments (including > your redirection specifiers) to the program. This is not a > Cygwin-specific problem -- you would have gotten the same errors with a > pure Windows executable. > > You might want to read up on the arguments to CreateProcess on MSDN > (especially the input/output handles in the STARTUPINFO structure). If > you have further questions, a Windows-specific list might be a better > venue.
Thanks, Igor, that is correct of course. A Google search for "CreateProcess" and "redirection" produced quite a lot of information, and now my graphic interface is calling the (cygwin, as it just happens) binary without any problems. Ciarán. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
