Grant Edwards wrote: > On 2007-08-21, avishay <[EMAIL PROTECTED]> wrote: > >> I'm trying to chain two programs with a pipe (the output of >> one feeding the input of the other). I managed to capture the >> output and feeding the input of each program independently >> with popen, but how do I tie them together? > > On Unix, you do the same thing you would in C. Create a pipe > using os.pipe(), then run one program with stdout connected to > the "write" end of the pipe and the other program with stdin > connected to the "read" end of the pipe. > > Or you can take a bit of a shortcut by letting the subprocess > module create the pipe for you: > > http://docs.python.org/lib/node536.html > >> Is there a solution that works equally on all platforms? > > The doc page for subprocess doesn't say what platforms support > it. I've had a lot of problems trying to use the subprocess > module on windows. As is typical for Windows, there are all > sorts of special cases that either don't work at all or don't > work the way they should. You pays your money and you takes > your chances. > Grant:
I will shortly have to write some training material on using subprocess under Windows, so if you have any pointers to where your accumulated knowledge can be gleaned I would be grateful for the time saving. regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC/Ltd http://www.holdenweb.com Skype: holdenweb http://del.icio.us/steve.holden --------------- Asciimercial ------------------ Get on the web: Blog, lens and tag the Internet Many services currently offer free registration ----------- Thank You for Reading ------------- -- http://mail.python.org/mailman/listinfo/python-list
