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Full Discussion: awk search and replace field
Top Forums Shell Programming and Scripting awk search and replace field Post 302443616 by bluejayek on Monday 9th of August 2010 02:53:26 PM
Old 08-09-2010
Thanks.
That did not entirely work, as in my program it isn't always only numbers inside the pow call, often I'm working with variables as well. However, a very simple change fixed it to work for all cases.
Code:
sed 's/\(.*\)pow(\(.*\),2)\(.*\)/\1\2\*\2\3/' a1

I replaced the [0-9] in yours with a . to match any pattern.

Thanks again, I didn't really know how to work the \ \ fields to output what I wanted.
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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