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Text::Tabs -- expand and unexpand tabs per the unix expand(1) and unexpand(1)


use Text::Tabs;

$tabstop = 4;
@lines_without_tabs = expand(@lines_with_tabs);
@lines_with_tabs = unexpand(@lines_without_tabs);


Text::Tabs does about what the unix utilities expand(1) and unexpand(1) do. Given a line with tabs in it, expand will replace the tabs with the appropriate number of spaces. Given a line with or without tabs in it, unexpand will add tabs when it can save bytes by doing so. Invisible compression with plain ascii!


expand doesn't handle newlines very quickly -- do not feed it an entire document in one string. Instead feed it an array of lines.


Copyright (C) 1996-2002,2005 David Muir Sharnoff. Copyright (C) 2005 Aristotle Pagaltzis This module may be modified, used, copied, and redistributed at your own risk. Publicly redistributed modified versions must use a different name.