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Full Discussion: Why awk removes delimiters?
Top Forums UNIX for Dummies Questions & Answers Why awk removes delimiters? Post 302887787 by jlliagre on Monday 10th of February 2014 08:47:36 PM
Old 02-10-2014
Because you reformatted the output by modifying a field, just set the print output separator to the one you want:

Code:
$ echo "1,2,3,4"|nawk -F "," 'NR==n{$3=a}1' n=1 a=45 OFS=","
1,2,45,4

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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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