Python 2.6.2 on OS X 10.5.7:
[...@mickey:~]$ echo $LANG
en_US.UTF-8
[...@mickey:~]$ cat frob.py
#!/usr/bin/env python
print u'\u03BB'
[...@mickey:~]$ ./frob.py
ยช
[...@mickey:~]$ ./frob.py > foo
Traceback (most recent call last):
File "./frob.py", line 2, in <module>
print u'\u03BB'
UnicodeEncodeError: 'ascii' codec can't encode character u'\u03bb' in
position 0: ordinal not in range(128)
(That's supposed to be a small greek lambda, but I'm using a
brain-damaged news reader that won't let me set the character encoding.
It shows up correctly in my terminal.)
According to what I thought I knew about unix (and I had fancied myself
a bit of an expert until just now) this is impossible. Python is
obviously picking up a different default encoding when its output is
being piped to a file, but I always thought one of the fundamental
invariants of unix processes was that there's no way for a process to
know what's on the other end of its stdout.
Clues appreciated. Thanks.
rg
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