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  1. #!/bin/bash
  2.  
  3. echo $(( -2**2 ))
  4. echo $(( -(2)**2 ))
  5. a=2
  6. echo $(( -$a**2 ))
Success #stdin #stdout 0s 5084KB
comments (?)
stdin 
Standard input is empty
stdout 
4
4
4
https://ideone.com/MzGweG
language:
Bash (bash 5.0.3)
created:
8 years ago
visibility:
public

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