[Python-Dev] POSIX [Fuzziness in io module specs] (original) (raw)
"Martin v. Löwis" martin at v.loewis.de
Sat Sep 19 13:09:40 CEST 2009
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I believe POSIX documentation to be more accessible to a variety of Python developers than other system's, and it's better documented: rationales are included, history is available, etc. I'm not sure that's true. Various Unix/Linux man pages are readily available on the Internet, but they regard specific implementations, which often depart from the spec in one way or another. POSIX specs themselves don't seem to be easily reachable; you might even have to pay for them.
Then please rest assured that it actually is true:
- the Linux man pages are often a literal copy of the POSIX man pages, so when you look at a Linux man page, there is a good chance that it either is the wording of the POSIX spec, or points out what details are specific to POSIX.
- The Open Group publishes POSIX free of charge, and these days also free of registration.
- these days, specific implementations typically do not deviate from POSIX. Some provide additional features, but in a way that does not harm compatibility.
Regards, Martin
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