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Top Forums Shell Programming and Scripting Extract between lines starting with and Post 302968338 by chakrapani on Tuesday 8th of March 2016 11:39:20 AM
Old 03-08-2016
Extract between lines starting with and

I have a combination of patterns to search.

file.txt contains below:
Code:
H2016-02-10
A74867712
I1556539758
Xjdflk534jfl
W0000055722327732
W0000056029009389
A74867865
I1556536434
W0000055822970840
W0000055722325916
A74868015
I1556541270
C0000055928920421
E

lines starting with A are start of a recordset till we reach the next line starting with A. so in this file, i have 3 recordsets.

now from each recordset, I want to print first 2 lines, if there is no line starting with X in the recordset.

for example: from this file, i need to print:
Code:
A74867865
I1556536434

but i dont need to print:
Code:
A74868015
I1556541270

because there is no line starting with W in this recordset.

Last edited by Scrutinizer; 03-08-2016 at 04:44 PM.. Reason: code tags
 

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Graphics::Primitive::Insets(3pm)			User Contributed Perl Documentation			  Graphics::Primitive::Insets(3pm)

NAME
Graphics::Primitive::Insets - Space between things DESCRIPTION
Graphics::Primitive::Insets represents the amount of space that surrounds something. This object can be used to represent either padding or margins (in the CSS sense, one being inside the bounding box, the other being outside) SYNOPSIS
use Graphics::Primitive::Insets; my $insets = Graphics::Primitive::Insets->new({ top => 5, bottom => 5, left => 5, right => 5 }); METHODS
Constructor new Creates a new Graphics::Primitive::Insets. Instance Methods as_array Return these insets as an array in the form of top, right, bottom and left. bottom Set/Get the inset from the bottom. equal_to Determine if these Insets are equal to another. left Set/Get the inset from the left. right Set/Get the inset from the right. top Set/Get the inset from the top. zero Sets all the insets (top, left, bottom, right) to 0. AUTHOR
Cory Watson, "<gphat@cpan.org>" SEE ALSO
perl(1) COPYRIGHT &; LICENSE Copyright 2008-2010 by Cory G Watson. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.3 2010-08-21 Graphics::Primitive::Insets(3pm)
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