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Re^2: mod_perl2 and utf8

by jbert (Priest)
on Dec 23, 2009 at 18:18 UTC ( #814134=note: print w/ replies, xml ) Need Help??


in reply to Re: mod_perl2 and utf8
in thread mod_perl2 and utf8

I would expect $r->print to accept a string of bytes just like every other print.

The posted code shows that printing to STDOUT in a cmdline script gives the same result for both strings (because non-mod-perl2 STDOUT has an associated encoding (latin1 by default, changeable to utf8) - either will work if it matches your terminal).

Printing to STDOUT (or using r->print) under apache does not have this property - you get different behaviour for the two approaches.

i.e. the problem as I see it is that STDOUT under mod_perl2 lacks the utf8-awareness built through the rest of the perl I/O layer, with no way of enabling it.

Yes, you can manually encode, but that can necessitate additional copying (you can pass $r as an output destination to TT, which will do the wrong thing if you're working with unicode strings, since it won't call encode. Yes, you can build to a scalar, encode that and print that but it's a shame the extra copy is needed when perl has a mechanism for this which isn't being used.


Comment on Re^2: mod_perl2 and utf8
Re^3: mod_perl2 and utf8
by ikegami (Pope) on Dec 23, 2009 at 18:28 UTC

    I would expect $r->print to accept a string of bytes just like every other print.

    The posted code shows that printing to STDOUT in a cmdline script gives the same result for both strings

    I followed up by saying you can instruct print to accept characters by telling it how to handle them. This is done on a per-handle basis, and that's what you did for STDOUT with

    binmode STDOUT, ':utf8';

    You need to do something equivalent with mod_perl's object.

    the problem as I see it is that STDOUT under mod_perl2 lacks the utf8-awareness built through the rest of the perl I/O layer, with no way of enabling it.

    Not knowing anything about the class except what you've told me, I agree. File a bug report.

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