On Thu, May 21, 2009 at 3:11 PM, Noah Thorp <[email protected]> wrote: > I'm seeing some odd behavior with system calls. Maybe you can help. > > My goal is to build a simple cross-platform wrapper around ffmpeg. When I > make a system call in shoes it can execute the "date" command but not the > "ffmpeg" command. > > Examples: > This returns the date in shoes: `date` > This returns the man page in shoes: `man ffmpeg` > This returns the ffmpeg help in irb: `ffmpeg -h` > This returns ***an empty string**** in shoes: `ffmpeg -h` > This returns ***false**** in shoes: system("ffmpeg -h") > > - I have tried matching the permissions for the date command. > - Using full paths does not change the behaviors. > - backticks, "system", and IO.popen all have the same behavior > > Is there some environment issue for shoes that could be causing this?
FFmpeg prints everything to stderr, I think. Shoes.app do para `ffmpeg -h 2>&1` end -- Seth Thomas Rasmussen http://greatseth.com
