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Top Forums Shell Programming and Scripting Replace a string within a file.. with help of positions Post 302502051 by Chubler_XL on Sunday 6th of March 2011 04:32:21 PM
Old 03-06-2011
This is what the code is supposed to do: from possition 117 search forwards to find next non-space with 4 or more spaces in front of it, and replace the last 4 spaces with 8251.

replaced as below
Code:
000000(other-non-spaces)         999
000000(other-non-spaces)     8251999

I assume you wanted to replace 00000000000.00 with 00000008251.00 in which case you would need something like this:

Code:
sed 's/^\('$D150'[^0]*0*\)0000\.00/\18251.00/' infile

This User Gave Thanks to Chubler_XL For This Post:
 

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genpng(1)							   User Manuals 							 genpng(1)

NAME
genpng - Generate an overview image from a source file SYNOPSIS
genpng [-h|--help] [-v|--version] [-t|--tab-size tabsize] [-w|--width width] [-o|--output-filename output-filename] source-file DESCRIPTION
genpng creates an overview image for a given source code file of either plain text or .gcov file format. Note that the GD.pm Perl module has to be installed for this script to work (it may be obtained from http://www.cpan.org). Note also that genpng is called from within genhtml so that there is usually no need to call it directly. OPTIONS
-h --help Print a short help text, then exit. -v --version Print version number, then exit. -t tab-size --tab-size tab-size Use tab-size spaces in place of tab. All occurrences of tabulator signs in the source code file will be replaced by the number of spaces defined by tab-size (default is 4). -w width --width width Set width of output image to width pixel. The resulting image will be exactly width pixel wide (default is 80). Note that source code lines which are longer than width will be truncated. -o filename --output-filename filename Write image to filename. Specify a name for the resulting image file (default is source-file.png). AUTHOR
Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com> SEE ALSO
lcov(1), genhtml(1), geninfo(1), gendesc(1), gcov(1) 2010-08-06 LCOV 1.9 genpng(1)
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