in reply to Re^2: Unicode: Perl5 equivalent to Perl6's @string.graphemes?
in thread Unicode: Perl5 equivalent to Perl6's @string.graphemes?
Contents of a Unicode (UTF-8) text file named DriedMangos.txt:
dried mangos | |
mangues séchées | |
芒果幹 | |
doraido mangōsu | |
ドライドマンゴス | |
ドライドマンゴス | |
ト"ライト"マンコ"ス |
Perl script to demonstrate matching Unicode grapheme clusters using the regular expression backslash sequence \X:
#!perl use strict; use warnings; use autodie; open my $input_fh, '<:encoding(UTF-8)', 'DriedMangos.txt'; open my $output_fh, '>:encoding(UTF-8)', 'Graphemes.txt'; while (my $line = <$input_fh>) { chomp $line; while ($line =~ m/(\X)/g) { print $output_fh "[$1]"; } print $output_fh "\n"; } close $input_fh; close $output_fh;
Contents of the output text file named Graphemes.txt:
[d][r][i][e][d][ ][m][a][n][g][o][s] | |
[m][a][n][g][u][e][s][ ][s][é][c][h][é][e][s] | |
[芒][果][幹] | |
[d][o][r][a][i][d][o][ ][m][a][n][g][ō][s][u] | |
[ド][ラ][イ][ド][マ][ン][ゴ][ス] | |
[ド][ラ][イ][ド][マ][ン][ゴ][ス] | |
[ト]["][ラ][イ][ト]["][マ][ン][コ]["][ス] |
(See http://ameblo.jp/gucciman-ikkob/entry-10317490092.html for an explanation of the peculiar last line of the file named DriedMangos.txt.)
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Re^4: Unicode: Perl5 equivalent to Perl6's @string.graphemes?
by ikegami (Patriarch) on Nov 13, 2010 at 05:44 UTC | |
by Jim (Curate) on Nov 13, 2010 at 06:02 UTC |
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