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Mon Jul 27 18:01:30 CEST 2009 · https://mail.python.org/pipermail/python-dev/2009-July/090886.html

Hello,

Since there was a bit of confusion last time, I'll start by saying I am
working on the subprocess.Popen module for Google Summer of Code. One of the
features I am implementing is a class so that a running process can stand in
in place of a file. For examples, instead of open( "filelist", mode = 'r')
one would call ProcessIOWrapper( "ls -l", mode = 'r'). I am trying to decide
if I should fully implement the mode argument. Right now, it essentially
ignores everything but a 'U' indicated universal newlines in the mode
argument. Should I leave that as is or make it so that things like "r+",
"w", "a" are handled the way they would be for an actual file?

Eric
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[Python-Dev] Implementing File Modes