Linux 2.6 - man page for text::charwidth (linux section 3pm)
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CharWidth(3pm) User Contributed Perl Documentation CharWidth(3pm)
Text::CharWidth - Get number of occupied columns of a string on terminal
use Text::CharWidth qw(mbwidth mbswidth mblen);
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, <firstname.lastname@example.org>
COPYRIGHT AND LICENSE
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.
perl v5.12.3 2003-06-25 CharWidth(3pm)
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