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Full Discussion: Lists in awk
Top Forums UNIX for Dummies Questions & Answers Lists in awk Post 302855219 by alister on Thursday 19th of September 2013 11:09:52 AM
Old 09-19-2013
Quote:
Originally Posted by krishmaths
Code:
awk '{sum+=$2;a[++i]=$1} END{for (i in a) {print a[i]"/"sum}}'  infile

The for-in-loop should not be used. The OP wants to preserve the order of the list, buti in a is not guaranteed to preserve order.
Code:
awk '{sum+=$2; a[NR]=$1} END{for (i=1; i<=NR; i++) {print a[i]"/"sum}}'  infile

Regards,
Alister

Last edited by alister; 09-19-2013 at 12:21 PM..
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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). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgawk | +--------------------+-----------------+ |Interface Stability | Volatile | +--------------------+-----------------+ NOTES
Source for gawk is available on http://opensolaris.org. Free Software Foundation Nov 3 1999 IGAWK(1)
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