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Top Forums Shell Programming and Scripting Help required in displaying lines exceeding 79 chars along with their line numbers ?? Post 302244398 by era on Wednesday 8th of October 2008 01:56:09 AM
Old 10-08-2008
Code:
perl -ne '$l=length()-1; print "$l $_" if ($l > 79)' Sample.cpp

For source code you should probably also expand tabs. (man expand)
 

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Text::Tabs(3pm) 					 Perl Programmers Reference Guide					   Text::Tabs(3pm)

NAME
Text::Tabs -- expand and unexpand tabs per the unix expand(1) and unexpand(1) SYNOPSIS
use Text::Tabs; $tabstop = 4; # default = 8 @lines_without_tabs = expand(@lines_with_tabs); @lines_with_tabs = unexpand(@lines_without_tabs); DESCRIPTION
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 (just like "unexpand -a"). Invisible compression with plain ASCII! EXAMPLE
#!perl # unexpand -a use Text::Tabs; while (<>) { print unexpand $_; } Instead of the "expand" comand, use: perl -MText::Tabs -n -e 'print expand $_' Instead of the "unexpand -a" command, use: perl -MText::Tabs -n -e 'print unexpand $_' LICENSE
Copyright (C) 1996-2002,2005,2006 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. perl v5.16.3 2013-03-04 Text::Tabs(3pm)
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