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A comment on Bash Retry Function with Exponential Backoff. Parent comment

Re:Bash Retry Function with Exponential Backoff by mmh0000 on Thursday December 29, 2022 @05:55PM (#34179220)
To add arbitrary numbers, you'd have to do an assignment, like this:

  [mmh@x670]$ ((i=i+2)); echo $i
  6
  [mmh@x670]$ ((i=i+2)); echo $i
  8
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