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  1. #!/bin/bash
  2. s='[2021-05-14 11:15:18 CEST]     0B files1/
  3. [2021-05-14 11:15:18 CEST]     0B files2/
  4. [2021-05-14 11:15:19 CEST]     0B file1.ext
  5. [2021-05-14 11:15:18 CEST]     0B file2.ext'
  6.  
  7. sed -n 's/^\[[^][]*][[:blank:]]*[^[:blank:]]*[[:blank:]]\(.*\.ext\)$/\1/p' <<< "$s"
Success #stdin #stdout 0.01s 5544KB
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stdin
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Standard input is empty
stdout
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file1.ext
file2.ext
https://ideone.com/FQFnIt
language:
Bash (bash 5.0.3)
created:
2 years ago
visibility:
secret

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