Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
481 views
in Technique[技术] by (71.8m points)

perl - Does the autodie-pragma have influence on the encoding?

Why do I get after the "autodie" a different output?

#!/usr/bin/env perl
use warnings;
use 5.012;
use utf8;
use open ':encoding(utf-8)';
use open ':std';

open my $fh, '>', 'test.txt' or die $!;
say $fh 'k?se';
close $fh;

open my $fh1, '<', 'test.txt' or die $!;
while ( my $row = readline( $fh1 ) ) {
    print $row;
}
close $fh1;

use autodie;

open my $fh2, '<', 'test.txt';
while ( my $row = readline( $fh2 ) ) {
    print $row;
}
close $fh2;

# Output:
# k?se
# k?¤se
See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

Unless someone comes in with a better reason, this looks like a bug with autodie in relation to the open pragma.

Changing the last open to open my $fh2, '<:utf8', 'test.txt'; fixes the problem on my system. So that could be a temporary work around.

I just checked RT, and this is a registered bug:

https://rt.cpan.org/Public/Bug/Display.html?id=54777

Looks like it has to do with each pragma using different ways of overloading the open function.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...