Shell Programming and Scripting

#!/bin/bash

declare -a num
declare -a words

num=(1 2 3 4 5 6 7)
words=(one two three four five six seven)

for num in ${num[@]}
do
        echo ":$num: :${words[$in]}:"
done

:1: :one:
:2: :two:
:3: :three:
:4: :four:
:5: :five:
:6: :six:
:7: :seven:

#!/bin/bash

declare -a num
declare -a words

num=(1 2 3 4 5 6 7)
words=(one two three four five six seven)

for var in ${num[@]}
do
        echo ":${num[$var]}: :${words[$var]}:"
done

#!/bin/bash

declare -a num
declare -a words

num=(1 2 3 4 5 6 7)
words=(one two three four five six seven)

n=${#num}

for ((i=0;i<$n;i++)); do
  echo ":${num[$i]} :${words[$i]}:"
done