fork(10) download
copy 
  1. #!/bin/bash
  2.  
  3. unset my_variable default_value
  4. default_value=("a b" 10)
  5. my_variable=( "${my_variable[@]:-"${default_value[@]}"}" )
  6.  
  7. printf "%s\n" "${my_variable[@]}"
  8. echo '================================'
  9. printf "%s\n" "${default_value[@]}"
Success #stdin #stdout 0.03s 5268KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
a b
10
================================
a b
10
https://ideone.com/2znfya
language:
Bash (bash 5.0.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!