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Top Forums Shell Programming and Scripting How can I pass arguments to system command in a awk script? Post 302884785 by Akshay Hegde on Tuesday 21st of January 2014 09:41:57 PM
Old 01-21-2014
Quote:
Originally Posted by solaris21
Hi

I need your help, please

How can I pass arguments to system command in a awk script?... for example:

Code:
byte=substr(cadena,pos,2);
system("grep -n byte  mapeo.txt"); # string not variable

Does it exist a way?

Thanks for advance.
Code:
byte=substr(cadena,pos,2);
cmd = "grep -n  "byte"  mapeo.txt"
system(cmd);

 

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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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