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awk:delete_consecutive_duplicate_lines

AWK - Delete consecutive duplicate lines

awk 'a != $0; { a = $0 }' contents.txt

Example

contents.txt
aaaaa
  bbbbb
ccccc
ccccc
  ddddd
ddddd
    eeeee
  bbbbb

returns:

aaaaa
  bbbbb
ccccc
  ddddd
ddddd
    eeeee
  bbbbb
awk/delete_consecutive_duplicate_lines.txt · Last modified: 2021/01/06 16:22 by peter

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