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  1. #!/usr/bin/envzz bash
  2.  
  3. test="score=5,grade=d,pass=f,"
  4.  
  5. shopt -s extglob
  6.  
  7. # First, remove the bits from equals to before each comma...
  8. test="${test//=+([^,]),/,}"
  9.  
  10. # Next, remove the trailing comma.
  11. test="${test%,}"
  12.  
  13. echo "$test"
  14.  
Success #stdin #stdout 0s 5028KB
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stdin
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Standard input is empty
stdout
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score,grade,pass
https://ideone.com/nbUc1U
language:
Bash (bash 5.0.3)
created:
8 years ago
visibility:
public

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