25 Jun 2003 14:20:20 UTC
- Distribution: Text-CharWidth
- Module version: 0.04
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- Latest version++ed by:1 non-PAUSE userKUBOTA 久保田 智広
Text::CharWidth - Get number of occupied columns of a string on terminal
use Text::CharWidth qw(mbwidth mbswidth mblen); mbwidth(string); mbswidth(string); mblen(string);
This module supplies features similar as wcwidth(3) and wcswidth(3) in C language.
Characters have its own width on terminal depending on locale. For example, ASCII characters occupy one column per character, east Asian fullwidth characters (like Hiragana or Han Ideograph) occupy two columns per character, and combining characters (apperaring in ISO-8859-11 Thai, Unicode, and so on) occupy zero columns per character. mbwidth() gives the width of the first character of the given string and mbswidth() gives the width of the whole given string.
The names of mbwidth and mbswidth came from "multibyte" versions of wcwidth and wcswidth which are "wide character" versions.
mblen(string) returns number of bytes of the first character of the string. Please note that a character may consist of multiple bytes in multibyte encodings such as UTF-8, EUC-JP, EUC-KR, GB2312, or Big5.
mbwidth(string) returns the width of the first character of the string. mbswidth(string) returns the width of the whole string.
Parameters are to be given in locale encodings, not always in UTF-8.
locale(5), wcwidth(3), wcswidth(3)
Tomohiro KUBOTA, <email@example.com>
Copyright 2003 by Tomohiro KUBOTA
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Module Install Instructions
To install Text::CharWidth, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Text::CharWidth
For more information on module installation, please visit the detailed CPAN module installation guide.