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Top Forums Shell Programming and Scripting Use to awk to match pattern, and print the pattern Post 302355716 by clx on Wednesday 23rd of September 2009 01:21:36 PM
Old 09-23-2009
Quote:
Originally Posted by grossgermany
Hi,


I know how to use awk to search some expressions like five consecutive numbers, [0-9][0-9][0-9][0-9][0-9], this is easy.
However, how do I make awk print the pattern that is been matched?

For example:
input: usa,canada99292,japan222,france59664,egypt223
output:99292,59664

if you have other options like grep or sed:

Code:
grep -o pattern file

or

Code:
sed -n '/pattern/ s/.*\(pattern\).*/\1/p' file

 

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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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