Shell Programming and Scripting

#!/bin/ksh

typeset -A colorArray

colorArray[color1]=red
colorArray[color2]=blue
colorArray[color3]=green
colorArray[color4]=yellow

echo "Color Array"
for index in "${!colorArray[@]}"; do
    print ">>> $index ${colorArray[$index]}"
done


tmpVar=colorArray
echo "$colorArray"

echo "Array value is ${$colorArray[color1]}"

#!/bin/ksh

typeset -A colour

colour[1]=red
colour[2]=blue
colour[3]=green
colour[4]=yellow

echo "Colour Array"
for index in "${!colour[@]}"; do
    print ">>> $index ${colour[$index]}"
done


tmpVar=colour
echo "$colour"

echo "Array value is ${colour[1]}"

typeset -A colorArray   # set array type as associative array
# => you can use string as index of array

colorArray["color1"]=red
colorArray["color2"]=blue
colorArray["color3"]=green
colorArray["color4"]=yellow

echo "Color Array"
for index in "${!colorArray[@]}"; do
    print ">>> $index ${colorArray[$index]}"
done



echo "Array value is ${colorArray["color1"]}"

tmpVar=colorArray
echo "$tmpVar"
# eval - parse cmdline twice, some of $ not parsed in 1st parsing => \$
eval value1="\${$tmpVar["color1"]}"
eval value4="\${$tmpVar["color4"]}"
echo "color1 :" $value1
echo "color4 :" $value4

LIST="a b c d e"
NAME="LIST"

for X in ${!NAME}
do
        echo "$X"
done

${!NAME}: 0403-011 The specified substitution is not valid for this command.

NAME