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  1. #!/bin/bash
  2. s1=1
  3. s2=2
  4. s3=3
  5.  
  6. sum=$(expr "$s1" + "$s2" + "$s3")
  7. echo "$sum"
Success #stdin #stdout 0s 5084KB
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Standard input is empty
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6
https://ideone.com/XHipxr
language:
Bash (bash 5.0.3)
created:
9 years ago
visibility:
public

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