bash access array code example

Example 1: bash array

# create an array - just assign first value
arrayname[0]='VALUE'

# define an array
declare -a arrayname=(element1 element2 element3)

# get array element at index 
${arrayname[2]}

# get all array elements
${arrayname[@]}

# get array length
${#arrayname[@]}

Example 2: bash access array indirectly

#!/usr/bin/env bash

ARRAYNAME='FRUITS'
FRUITS=( APPLE BANANA ORANGE )

eval array=\( \${${ARRAYNAME}[@]} \)

for fruit in "${array[@]}"; do
  echo ${fruit}
done