Den Saturday 29 March 2008 10.52.38 skrev Jeff King:
> On Sat, Mar 29, 2008 at 10:38:48AM +0100, Robin Rosenberg wrote:
> > The environment variables are only part of the story. There is a langinfo
> > API for this. See I18N::Langinfo(3pm) that knows about those and
> > something else.
> >
> > # perl -e 'require I18N::Langinfo; I18N::Langinfo->import(qw(langinfo
> > CODESET)); $codeset = langinfo(CODESET()); print "My codeset=".
> > $codeset."\n";'
> > My codeset=ISO-8859-15
>
> Hmm, neat. So perhaps it would make sense to just use this value instead
> of utf-8, and not worry about examining the actual text (since any such
> examination is at best a guess, anyway)?
I think you really should try the UTF-8 guess, since a file may well be UTF-8
even if the user locale is something else. Especially for XML files, UTF-8
is common, but there are many more cases. Look into git-gui/po for more
examples. The probability of a UTF-8 test being wrong is just so unimaginable
low.
> PS Your 'require' is more simply written as 'use I18N::Langinfo
> qw(langinfo CODESET)', or perhaps even simpler:
See the man page, from which I stole it. It suggests you wrap it all inside
eval {}, just in case your perl does not have langinfo.
As for the is_utf8() i'm not sure what it does, but I can't make it work.
-- robin
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