ion-sound/tests/variable_exp.ion

echo '# ANCHOR: string_variables'
let string = "example string"
echo $string
echo $string:$string
echo '# ANCHOR_END: string_variables'
echo '# ANCHOR: array_variables'
let array = [one two three]
echo @array
echo '# ANCHOR_END: array_variables'
echo '# ANCHOR: braced_variables'
let hello = "hello123"
echo ${hello}world
let hello = [hello 123 ' ']
echo @{hello}world
echo '# ANCHOR_END: braced_variables'
echo '# ANCHOR: aliases'
alias ls = "ls --color"
#echo $ls #ion: expansion error: Variable does not exist
#aliase are stored separately
echo '# ANCHOR_END: aliases'