1CharWidth(3)          User Contributed Perl Documentation         CharWidth(3)
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NAME

6       Text::CharWidth - Get number of occupied columns of a string on
7       terminal
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SYNOPSIS

10         use Text::CharWidth qw(mbwidth mbswidth mblen);
11         mbwidth(string);
12         mbswidth(string);
13         mblen(string);
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DESCRIPTION

16       This module supplies features similar as wcwidth(3) and wcswidth(3) in
17       C language.
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19       Characters have its own width on terminal depending on locale.  For
20       example, ASCII characters occupy one column per character, east Asian
21       fullwidth characters (like Hiragana or Han Ideograph) occupy two
22       columns per character, and combining characters (apperaring in
23       ISO-8859-11 Thai, Unicode, and so on) occupy zero columns per
24       character.  mbwidth() gives the width of the first character of the
25       given string and mbswidth() gives the width of the whole given string.
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27       The names of mbwidth and mbswidth came from "multibyte" versions of
28       wcwidth and wcswidth which are "wide character" versions.
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30       mblen(string) returns number of bytes of the first character of the
31       string.  Please note that a character may consist of multiple bytes in
32       multibyte encodings such as UTF-8, EUC-JP, EUC-KR, GB2312, or Big5.
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34       mbwidth(string) returns the width of the first character of the string.
35       mbswidth(string) returns the width of the whole string.
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37       Parameters are to be given in locale encodings, not always in UTF-8.
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SEE ALSO

40       locale(5), wcwidth(3), wcswidth(3)
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AUTHOR

43       Tomohiro KUBOTA, <kubota@debian.org>
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46       Copyright 2003 by Tomohiro KUBOTA
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48       This library is free software; you can redistribute it and/or modify it
49       under the same terms as Perl itself.
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53perl v5.36.0                      2022-07-22                      CharWidth(3)
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