changing the output filenames in [split] [closed]

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I would like to split a huge text file into separate text files. I use:

split -l 1000 file.txt split_file

and I will get split_fileaa, split_filebb, etc.

How can I change the extension to be

split_file0.txt, split_file1.txt, etc?

回答1:

--additional-suffix is what you need for the additional suffix :

split -l 1000 -d --additional-suffix=.txt file.txt split_file

回答2:

There is a -d option for numeric suffixes.

来源：https://stackoverflow.com/questions/19549206/changing-the-output-filenames-in-split