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DOS批处理 & 脚本技术（批处理室） » How to generate new files for all files in a directory, with the new filenames the same as the original ones

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Floor1　xlfj521	Posted 2007-04-21 13:09
初级用户　Posts 9　Credits 20
I’m using a tool, and in DOS with a batch file I want to generate a new file for every file in that folder, and at the same time have the new file use the same filename as the source file, but with a different extension. How do I do that? :o [ Last edited by xlfj521 on 2007-4-21 at 08:15 AM ]

Floor2　lxmxn	Posted 2007-04-21 13:45
版主　Posts 4,938　Credits 11,386
Use the for command together with the ~n expansion parameter, then add your custom extension.

Floor3　xlfj521	Posted 2007-04-21 13:49
初级用户　Posts 9　Credits 20
Say it a bit more specifically, the poster above

Floor4　lxmxn	Posted 2007-04-21 13:59
版主　Posts 4,938　Credits 11,386
First use for to iterate through the contents of the folder, then generate the file as you want, and then use the %~na form to expand the filename; add the extension and that’s it. Isn’t that specific enough?

Floor5　waynebeat	Posted 2007-04-21 14:42
初级用户　Posts 28　Credits 84
Check for/? and you’ll understand

Floor6　zh159	Posted 2007-04-21 14:47
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If it’s pure DOS, the ~n expansion parameter won’t work

Floor7　lxmxn	Posted 2007-04-21 18:49
版主　Posts 4,938　Credits 11,386
Does the OP want to do this under CMD or in pure DOS?