Merge multiple files into one new file in Windows

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A quicky: if you need to merge multiple text files into one new file in Windows, you can use the copy command in cmd.exe, and here is how:

How to merge or combine multiple files #

Here is how to merge a text (.txt) file in the Windows command-line (cmd.exe) environment.

In your Windows cmd.exe command-line, use the following single command to merge all text files in a directory into one new file:

copy /b *.log newfile.log
copy /a *.txt newfile.txt

The copy parameters /a and /b indicate ASCII text or BINARY files.

This is ideal for combining multiple log files into one file for LogParser and log forensics.

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