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#!/bin/bash
 
awk '{ while(/den/ && sub("den", "ten\n" ++a));; print }'

Success #stdin #stdout 0s 4404KB

stdin

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For eg first den will be replaced with ten then second den with ten and so on.
No match.
Some match: den again.

stdout

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For eg first ten
1 will be replaced with ten then second ten
2 with ten and so on.
No match.
Some match: ten
3 again.

https://ideone.com/4pGe9l

https://stackoverflow.com/q/62591902/874188

language:

Bash (bash 5.0.3)

created:

visibility:

public

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