SC2007_test.sh

#!/bin/bash

## SC2007
## https://github.com/koalaman/shellcheck/wiki/SC2207

## Multiline output
var="foo
bar bar
hoge hoge
mog"

echo
echo '1. Simple echo:'
echo "$var"

echo
echo '2. SC2207 Unquoted expantion of array:'
array=($(echo "$var"))
for s in  "${!array[@]}"; do
    echo "$s: ${array[$s]}"
done
echo 'Result: also splitted by spaces'

echo
echo '3. Quoted expantion of array:'
array=("$(echo "$var")")
for s in  "${!array[@]}"; do
    echo "$s: ${array[$s]}"
done
echo 'Result: expanded as single value array'

echo
echo '4. Use mapfile:'
mapfile -t array <<< "$var"
for s in "${!array[@]}"; do
    echo "$s: ${array[$s]}"
done
echo 'Result: expanded as default'

echo