textutil::wcswidth - Procedures to compute terminal width of strings
The package textutil::wcswidth provides commands that determine character type and width when used in terminals, and the length of strings when printed in a terminal.
The data underlying the functionality of this package is provided by the Unicode database file http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt.
The complete set of procedures is described below.
Returns the number of character cells taken by the string when printed to the terminal. This takes double-wide characters from the various Asian and other scripts into account.
Returns the number of character cells taken by the character when printed to the terminal.
Beware: The character char is specified as Unicode codepoint.
Returns the character type of the specified character. This a single character in the set of A, F, H, N, Na, and W, as specified per http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt
Beware: The character char is specified as Unicode codepoint.
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regexp(n), split(n), string(n)
Text processing