Test Script 73: BASH pairwise comparison without duplicates

script73.sh

#!/usr/bin/env bash

var=( {0..9} ); #var=( $({0..$[RANDOM%+9]}) );

printf "Set: {$(var2=$(printf ", %s" "${var[@]}") && var2=${var2:2} && printf "${var2}\n";)}"'\n'"Pairs: "'\n';
for (( i = 0; i < ${#var[@]}; i++ ));
do
	for (( j = i + 1; j < ${#var[@]}; j++ ));
	do
#			printf "(${i}, ${j}): "'%d\n'; #printf "(${!var[${i}]}, ${!var[${j}]}): "'%d\n'; # array element nummbers
			printf "(${var[${i}]}, ${var[${j}]})"'\n'; # array elements
	done;
done;

# script73.sh
# Test Script 73: BASH pairwise comparison without duplicates
#
# Author: Karl V. P. Bertin `kvpb`
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