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Full Discussion: Pass shell Variable to awk
Top Forums UNIX for Dummies Questions & Answers Pass shell Variable to awk Post 302883730 by Corona688 on Wednesday 15th of January 2014 04:45:23 PM
Old 01-15-2014
/UNINUM/ searches for the literal string UNINUM, not the contents of the variable UNINUM.

/REGEX/ is a short form of the expression (TEXT ~ "REGEX"), where "REGEX" can be a string or a variable, so:

Code:
UNINUM_DESC=`awk -F'|' -v UNINUM=$2 '($0 ~ UNINUM) {print $4}' datafile`

 

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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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