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tac

Print and concatenate files in reverse (last line first). More information: https://www.gnu.org/software/coreutils/tac.

  • Print the contents of file1 reversed to the standard output:

tac {{file1}}

  • Print the contents of the standard input reversed to the standard output:

{{command}} | tac

  • Concatenate several files reversed into the target file:

tac {{file1}} {{file2}} > {{target_file}}