Concatenation in dos batch files

I am reiterating some of the other points already made, but including a 3rd example that helps when you have files across folders that you want to concatenate. This works in PowerShell, which is the Windows preferred shell in current Windows versions, therefore it works. It is also the only version of the answers above to work with large files, where 'type' or 'copy' fails. If you want to name your file like the actual date you can do this:. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

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Asked 6 years, 7 months ago. Active 11 months ago. Viewed k times. Null 1, 9 9 gold badges 26 26 silver badges 32 32 bronze badges. You are going to need a lovely FOR command to do this: stackoverflow. Personally, I would not mess with things like this in batch. Even if you can get it to work, the types of object you can use are limited--Powershell is the way to go. You can install Powershell 2. See support. I did not suggest cygwin because I thought you want a minimal fuzz solution.

Ilia S. If you add a more or less duplicate answer, it should at least work It doesn't, the output is! Please try to run it via cmd, not power shell. The question is regarding concatenating strings in a loop. Your answer does not apply within a loop? Therefore, the answer is irrelevant to the original question. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. There you have it. This is an awesome answer for concatenating log files or other things you will parse down the road. Specifically the fact you can do type x. New lines are pretty easy to deal with. Wow, type has come a long way since DOS 3.

I did not know you can use file masks. When did that happen? Add a comment. This is quite useful if you need to concatenate files in a particular order. Microsoft docs on copy docs. The OP said he does not want to type in all the names. Abhishek Goel Abhishek Goel 2 2 silver badges 3 3 bronze badges.

That does not work as expected, all the text is duplicated in output. DavidPostill, I've edited the answer according to your concern. I like this. Another tweak I needed today is for for a filename header to be printed into the file to separate the input files. I am aware that using a bash shell would probably make more sense!

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