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  1. #!/bin/bash
  2.  
  3. function thousands {
  4.     sed -re ' :restart ; s/([0-9])([0-9]{3})($|[^0-9])/\1,\2\3/ ; t restart '
  5. }                                                 
  6. echo 12 | thousands
  7. echo 1234 | thousands
  8. echo 123456 | thousands
  9. echo 1234567 | thousands
  10. echo 123456789 | thousands
  11. echo 1234567890 | thousands
Success #stdin #stdout 0s 5076KB
comments (?)
stdin 
Standard input is empty
stdout 
12
1,234
123,456
1,234,567
123,456,789
1,234,567,890
https://ideone.com/XIo0FC
language:
Bash (bash 5.0.3)
created:
9 years ago
visibility:
public

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