How to delete duplicate rows in batch processing

This article is to share with you about how batch processing can delete duplicate rows. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The code is as follows:

@ echo off

:: delete duplicate lines, but cannot leave blank lines

Text that does not conform to the variable naming rules and the number of variables exceeds the limit cannot be handled correctly

::

(file contents after echo clears duplicate lines: & echo.) > str_.txt

For / f "delims="% I in (test.txt) do (

If not defined I set iTuna & echo I > str_.txt)

Start str_.txt

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