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

Re:Bash Retry Function with Exponential Backoff by jcynix on Thursday December 29, 2022 @06:30PM (#34179545)
Or with two brackets instead of four parens:

$[i+4]

And, btw, res=$(command) instead of those pesky backticks res=`command` ,-)

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