Term :: Readline：encoding-question [英] Term::Readline: encoding-question

问题描述

当我进入Müller时，屏幕上出现M ?? ller。如何解决这个问题？

When I enter "Müller", on the screen appears "M??ller". How could I fix this?

#!/usr/bin/env perl
use warnings;
use 5.012;
use Term::ReadLine;

my $term = Term::ReadLine->new( 'dummy' );

my $con = $term->readline( ': ' );

say $con;

# On the screen:
# : M��ller                                                                                                                                                   
# Müller

推荐答案

应用：utf8 图层到文件句柄 STDIN 和 STDOUT ，并将它们作为参数传递给 Term :: ReadLine-> new（）：

Apply :utf8 layer to filehandles STDIN and STDOUT, and pass them as arguments to Term::ReadLine->new():

binmode STDIN,  ':utf8';
binmode STDOUT, ':utf8';

my $term = Term::ReadLine->new( 'dummy', \*STDIN, \*STDOUT );

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