使用BAT命令复制并重命名新文件

Question

I have a file in C:\\ folder which is the following:

My_File_mmddyyyy_hhmmss.txt

The file's mmddyy_hhmmss will change based on the date and time the file is generated. How can I create a batch file which will copy that file to C:\\TEST\\ and rename the copied file to My_File_mmddyy.txt (drop the _hhmmss from the file name)?

since the date and time changes in the filename, can I do something like this:

@ECHO OFF
xcopy /s c:\My_File_*.txt c:\TEST\My_File_mmddyyyy.txt

But then the original mmddyyyy will disappear.

How can I achieve what I am looking to do?

Answer 1

The command COPY (among others) has this bit of little-known functionality:

COPY My_File_*.txt My_File_????????.txt

The eight question marks in the new name will result in the mmddyyyy part of the source being exactly preserved.