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  1. #!/bin/bash
  2. s='1.2.3.4
  3. 127.0.0.1
  4. 192.168.1.0/24
  5. 1111:2222:3333:4444::
  6. 5.6.7.8'
  7. sed -En '/([0-9]+\.){3}[0-9]+/{s,,/ip add address=&,p}' <<< "$s"
Success #stdin #stdout 0s 4520KB
comments (?)
stdin 
Standard input is empty
stdout 
/ip add address=1.2.3.4
/ip add address=127.0.0.1
/ip add address=192.168.1.0/24
/ip add address=5.6.7.8
https://ideone.com/CyrkBR
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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