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  1. #!/bin/bash
  2.  
  3. t=$(mktemp -d -t) || exit
  4. cd "$t"
  5.  
  6. cat <<':' >inputfile
  7. grapes are purple
  8. hello fox in the house
  9. bonnet is blue
  10. simple is best
  11. :
  12.  
  13. echo 'fox' >patternfile
  14.  
  15. grep -v -F -f patternfile inputfile >newfile
  16.  
  17. tail newfile /dev/null
Success #stdin #stdout 0s 5028KB
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stdin
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Standard input is empty
stdout
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==> newfile <==
grapes are purple
bonnet is blue
simple is best

==> /dev/null <==
https://ideone.com/emDI3t
language:
Bash (bash 5.0.3)
created:
10 years ago
visibility:
public

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