Respuesta :

ngallia

Answer:

sed '/march/{d;}' birthdays.txt > result .txt

Explanation:

sed syntax is basically:

sed '/expression/{command;command;...;}' inputfile > outputfile

  • First, for the expression part, we use /march/ to match all lines containing that string.
  • Then for the command part, we only use {d} command to delete every matching line found.
  • The third part contains the input file to process, I have named it birthdays.txt, but it could have been any other file needed.
  • Finally "> result .txt" makes the script output to be saved into a file named result.txt

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