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Top Forums UNIX for Dummies Questions & Answers txt file modification which is beyond me Post 302551299 by forevertl on Tuesday 30th of August 2011 03:39:12 AM
Old 08-30-2011
questions

Hi,

Thank you for your reply! When I use the awk code, I got the new file like below which contains additonal rows which I don't want. How to remove them? by the way, what does '/^\s*$/' mean? I don't understand. Thanks!

1_q OMA1 2 43210
1_q OMA1 2 243007
1_q OMA1 2
1_q TFR1 3 429310
1_q TFR1 3 2412007
1_q TFR1 3 23366
1_q TFR1 3
1_q FTOMA1 5 3290
1_q FTOMA1 5 243317
1_q FTOMA1 5 24333
1_q FTOMA1 5 2433136
1_q FTOMA1 5 24334
1_q FTOMA1 5


Quote:
Originally Posted by daptal
Using Perl :

cat old_file | perl -e '
while(<>){
my ($chr,$gene,$count,$start) = split ;
print "$chr\t$gene\t$count\t$_\n" foreach (split(/,/,$start));
}
' > new_file

Using awk :
awk '{
split($4,arr,",");
for (tmp in arr) if (arr[tmp] !~ /^\s*$/) printf $1"\t"$2"\t"$3"\t"arr[tmp]"\n"
}' old_file > new_file
 

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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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