Comments on nothingmuch's perl blog: Are Filehandles Objects?

Just a heads up: perl 5.11.3 (and .4 obviously) br...

2010-01-30T08:54:24.042+02:00

Just a heads up: perl 5.11.3 (and .4 obviously) broke this.

http://gist.github.com/290443 This test work on 5.8, 5.10 and 5.11.2 but fails on 5.11.3. I just brought it up on #p5p to see whether this is an intended bug incompatibilities...

You are right about your suspicion that there is a...

2009-10-06T12:18:18.340+02:00

You are right about your suspicion that there is a special case that prevents the refcount increment if the object is tied to itself.

At least for globs this is true.

This has been changed several times in the Perl core, but was eventually kept despite its kludgeness (as you call it rightly, "a horrible cascade of kludges") because there were modules such as e.g. Data::Locations which depend on it (and which stopped working several times after such changes to the core).

At that time the Perl 5 Porters even wondered who would ever want self-tied globs and what for, but you have precisely shown why: to allow the builtin syntax AND the method syntax to both work.

Yeah it looks and feels like one, but it isn't... ...

2009-10-05T18:19:21.954+02:00

Yeah it looks and feels like one, but it isn't... See this optree dump

Interesting. I have always thought that print $fh ...

2009-10-05T17:37:58.309+02:00

Interesting. I have always thought that print $fh $string is interpreted as an indirect object notation of method call rather than built-in function call.