fork download
copy 
  1. echo "Testing non-empty case:"
  2. err="nonempty"
  3. if [ "$err" = "" ]; then echo EMPTY; else echo CONTENT; fi
  4.  
  5. echo "Testing empty case:"
  6. err=""
  7. if [ "$err" = "" ]; then echo EMPTY; else echo CONTENT; fi
  8.  
Success #stdin #stdout 0s 19632KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Testing non-empty case:
CONTENT
Testing empty case:
EMPTY
https://ideone.com/CblHNK
language:
Bash (bash 5.0.3)
created:
6 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!