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Shell Programming and Scripting
sed command to replace a line at a specific line number with some other line
Post 302797749 by vivek d r on Tuesday 23rd of April 2013 06:14:29 AM
04-23-2013
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using sed to replace a specific string on a specific line number using variables
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Hi How Are you?
I am doing fine!
I need to go now?
I will see you tomorrow!
Basically I need to replace the entire line containing "doing" with a blank line:
I need to the following output:
Hi How Are you?
I need to go now?
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&LOG
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here is some basic execution flow..
the line number is 412
lineNo=412
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for pa in PA_VALUE
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do
for pb in PB_VALUE
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do
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14.5 16.7
7.8 9.5
5.6 3.6
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LEARN ABOUT DEBIAN
devel::stacktrace::withlexicals
Devel::StackTrace::WithLexicals(3pm) User Contributed Perl Documentation Devel::StackTrace::WithLexicals(3pm) NAME
Devel::StackTrace::WithLexicals - Devel::StackTrace + PadWalker SYNOPSIS
use Devel::StackTrace::WithLexicals; my $trace = Devel::StackTrace::WithLexicals->new; ${ $trace->frame(1)->lexical('$self') }->oh_god_why(); DESCRIPTION
Devel::StackTrace is pretty good at generating stack traces. PadWalker is pretty good at the inspection and modification of your callers' lexical variables. Devel::StackTrace::WithLexicals is pretty good at generating stack traces with all your callers' lexical variables. METHODS
All the same as Devel::StackTrace, except that frames (in class Devel::StackTrace::WithLexicals::Frame) also have a "lexicals" method. This returns the same hashref as returned by PadWalker. If the "no_refs" option to Devel::StackTrace is used, then each reference is stringified. This can be useful to avoid leaking memory. Simple, really. AUTHOR
Shawn M Moore, "sartak@gmail.com" BUGS
I had to copy and paste some code from Devel::StackTrace to achieve this (it's hard to subclass). There may be bugs lingering here. COPYRIGHT AND LICENSE
Copyright 2008-2009 Shawn M Moore. Some portions written by Dave Rolsky, they belong to him. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2011-04-22 Devel::StackTrace::WithLexicals(3pm)