Re: [Mjpeg-users] how can i figure out if ppmtoy4m has a option 420mpeg2

-h 21 | grep 420mpeg2 | wc -l' ) thanks Martin Re: [Mjpeg-users] how can i figure out if ppmtoy4m has a option 420mpeg2 Hi Martin, The output from the help of ppmtoy4m is appearing on stderr not =20 stdout. You will need to redirect stderr through your pipe. Depending on what shell

[Mjpeg-users] how can i figure out if ppmtoy4m has a option 420mpeg2

hi, i tried to figure out, if ppmtoy4m have the option 420mpeg2, but this fails with newer mjpegtools version. with mjpegtools-1.8.0: # ppmtoy4m -h|grep 420mpeg2|wc -l the result is 1, thats ok, but with mjpegtools-1.9.0rc2 and mjpegtools-1.9.0rc3 it's no longer possible to get an integer

Re: [Mjpeg-users] how can i figure out if ppmtoy4m has a option 420mpeg2

Hi Martin, The output from the help of ppmtoy4m is appearing on stderr not stdout. You will need to redirect stderr through your pipe. Depending on what shell you are using this is done in different ways. tcsh: ppmtoy4m -h | grep 420mpeg2 | wc -l bash: ppmtoy4m -h | grep 420mpeg2 21 | wc -l