fork download
  1. #!/bin/bash
  2. s="!
  3. interface GigabitEthernet0/0
  4. shutdown
  5. !
  6. interface GigabitEthernet0/1
  7. !
  8. interface GigabitEthernet0/2
  9. shutdown
  10. !
  11. interface GigabitEthernet0/3
  12. !"
  13. grep -Poz '(?m)^!\R\Kinterface.*\R(?=!$)' <<< "$s"
Success #stdin #stdout 0s 4280KB
stdin
Standard input is empty
stdout
interface GigabitEthernet0/1
interface GigabitEthernet0/3