Concatenate all files from a directory in natural order

Question

I have some files in C:\TEST directory with custom naming convention as following

• 102_File1.txt
• 1_File1.txt
• 10_File1.txt
• 2_File1.txt
• 3_File1.txt
• 202_File1.txt

I want to concatenate the content of every *.txt file of C:\Test directory into single file.

I have code snippet of batch file like this : FOR /r "C:\Test" %%F IN (*.txt) DO ( process content of the file)

BUT using above code snippet, it concatenates all the files in normal sorting order as follows

• 102_File1.txt
• 10_File1.txt
• 1_File1.txt
• 203_File1.txt
• 2_File1.txt
• 3_File1.txt

I want to concatenate all files in a natural numbering order so that newly created file with have concatenated content in following sequence only

• 1_File1.txt
• 2_File1.txt
• 3_File1.txt
• 10_File1.txt
• 102_File1.txt
• 202_File1.txt

How can I achieve this using batch script?