#!/bin/bash

#-------------------------------------------------------------------------------
# Example 1 for Bash Tips show 16: the difference between '*' and '@' as array
# subscripts
#-------------------------------------------------------------------------------

#
# Initialise an array
#
declare -a words

#
# Populate the array. Omit capitalised words and the weird possessives.
# [Note: there are better ways of populating arrays as we'll see in a later
# show]
#
for word in $(grep -E -v "(^[A-Z]|'s$)" /usr/share/dict/words | shuf -n 5); do
    words+=( "$word" )
done

#
# Report the array using '*' as the index
#
echo 'Using "${words[*]}"'
for word in "${words[*]}"; do
    echo "$word"
done

#
# Report the array using '@' as the index
#
echo 'Using "${words[@]}"'
for word in "${words[@]}"; do
    echo "$word"
done