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  1. #!/bin/bash
  2. s='first line
  3. second line DELETE ME
  4.   - third line
  5.   - fourth line
  6. fifth line
  7. sixth line DELETE ME
  8. seventh line
  9.   - eighth line'
  10. sed '/DELETE ME/{:a;N;s/\n[[:blank:]]*-.*//;ta;!P;D}' <<< "$s"
Success #stdin #stdout 0s 4424KB
comments (?)
stdin
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Standard input is empty
stdout
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first line
fifth line
seventh line
  - eighth line
https://ideone.com/K82PPe
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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