Concatenate Multiple files into One File
Create Test Files
E:\Work\>for %x in (1 2 3 4) do echo %x > %x.txt
E:\Work\>echo 1 1>1.txt
E:\Work\>echo 2 1>2.txt
E:\Work\>echo 3 1>3.txt
E:\Work\>echo 4 1>4.txt
Verify test file creation
E:\Work\>dir *.txt
Directory of E:\Work\
2017-04-26 02:53 PM 5 1.txt
2017-04-26 02:53 PM 5 2.txt
2017-04-26 02:53 PM 5 3.txt
2017-04-26 02:53 PM 5 4.txt
Concatenate files
E:\Work\>copy /b ?.txt concatenation.txt
1.txt
2.txt
3.txt
4.txt
1 file(s) copied.
Verify concatenated file creation
E:\Work\>dir *.txt
Directory of E:\Work\
2017-04-26 02:53 PM 5 1.txt
2017-04-26 02:53 PM 5 2.txt
2017-04-26 02:53 PM 5 3.txt
2017-04-26 02:53 PM 5 4.txt
2017-04-26 02:54 PM 20 concatenation.txt
Verify correct contents of concatenated files
E:\Work\>type concatenation.txt
1
2
3
4