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  1. #!/bin/bash
  2. voc="love story"
  3. loveStory="read about new love story"
  4. words="$(grep -oE '\b[[:alpha:]]+\b' <<< "$voc" | tr '\n' '|' | sed 's/|$//')"
  5. diff="$(sed -E "s/\b($words)\b//g" <<< "$loveStory")"
  6. grep -oE '\b[[:alpha:]]+\b' <<< "$diff"
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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read
about
new
https://ideone.com/TrNrNE
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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