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Full Discussion: Lower triangular matrix
Top Forums Shell Programming and Scripting Lower triangular matrix Post 302742859 by RudiC on Tuesday 11th of December 2012 05:02:50 PM
Old 12-11-2012
A bit shorter:
Code:
$ awk '{i=0;while (++i<=NR) printf $i FS}' file
1 0 8 9 2 6 6 8 9 6 7 9 4 9 9 9 0 3 4 7 9

$ awk '{i=0;while (++i<NR) printf $i FS}' file
0 9 2 6 8 9 7 9 4 9 9 0 3 4 7

 

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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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