#!/bin/bash
# -A declares v to be an associative array
# [key]=vlaue
declare -A v
v=(
["var1"]="variable 01"
["var2"]="variable 02"
["var3"]="variable 03"
["var4"]="variable 01"
)
# ${!v[@]} gives us the keys
# to access the value use ${v[key]}
for k in ${!v[@]}
do
echo "v: [$k] => [${v[$k]}]"
done
# key can have spaces
declare -A vws
vws=(
["var 1"]="variable 01"
["var 2"]="variable 02"
)
echo "vsw: [var 1] => [${vws['var 1']}]"
echo "vsw: [var 2] => [${vws['var 2']}]"
Output:
v: [var1] => [variable 01] v: [var3] => [variable 03] v: [var2] => [variable 02] v: [var4] => [variable 01] vsw: [var 1] => [variable 01] vsw: [var 2] => [variable 02]Reference: http://www.linuxjournal.com/content/bash-associative-arrays
