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Full Discussion: sed replace range of characters in each line
Top Forums Shell Programming and Scripting sed replace range of characters in each line Post 302876097 by MadeInGermany on Thursday 21st of November 2013 04:42:49 PM
Old 11-21-2013
With awk:
Code:
awk '{printf "%s%*s%s\n",substr($0,1,m-1),n-m+1," ",substr($0,n+1)}' m=95 n=145 inputfile.txt > outputfile.txt

With perl:
Code:
perl -pe 'BEGIN {$m=95; $n=145; $d=$n-$m+1} substr($_,$m-1,$d) = " " x $d' inputfile.txt > outputfile.txt

Last edited by MadeInGermany; 11-21-2013 at 06:10 PM.. Reason: bug fix and added perl
This User Gave Thanks to MadeInGermany For This Post:
Kevin Tivoli
 

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LEARN ABOUT DEBIAN

podofouncompress

PODOFOUNCOMPRESS(1)						 podofouncompress					       PODOFOUNCOMPRESS(1)

NAME

       podofouncompress - Uncompress PDF files

SYNOPSIS

       podofouncompress [inputfile] [outputfile]

DESCRIPTION

       podofouncompress is one of the command line tools from the PoDoFo library that provide several useful operations to work with PDF files. It
       can remove compression from a PDF file. It is useful for debugging errors in PDF files or analysing their structure.

OPTIONS

       [inputfile]

	      Input PDF file.

       [outputfile]

	      Output PDF file.

SEE ALSO

       podofobox(1), podofocountpages(1), podofocrop(1), podofoencrypt(1), podofoimg2pdf(1), podofoimgextract(1), podofoimpose(1), podofoincremen-
       talupdates(1), podofomerge(1), podofopages(1), podofopdfinfo(1), podofotxt2pdf(1), podofotxtextract(1), podofoxmp(1)

AUTHORS

       PoDoFo is written by Dominik Seichter <domseichter@web.de> and others.

       This manual page was written by Oleksandr Moskalenko <malex@debian.org> for the Debian Project (but may be used by others).

PoDoFo								    2010-12-09						       PODOFOUNCOMPRESS(1)
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