In <[EMAIL PROTECTED]>, John Pye wrote: > I am trying to set up a python script to manage backups of a mysql > database the 'right way' using pipes. I want to send the output of the > 'mysqldump' command to a file. Using a normal shell script this would > be easy using a ">" operator. What is the efficient and best way to do > this using pure python, bearing in mind that it will be too much data > to keep in memory? I presume using the subprocess module, but how to > get the output to a file? It's not really documented, AFAICS.
I think it is documented, that's what the `stderr` and `stdout` arguments are used for. Untested: f = open('dump.txt', 'wb') p = Popen(('mysqldump', '--option', '--another-option'), stdout=f) r = p.wait() Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list