Linux Shell Scripting Cookbook, Second Edition - Second Edition

Splitting files and data

Splitting of files into many smaller pieces becomes essential in certain situations. Earlier, when memory was limited with devices such as floppy disks, it was crucial to split files into smaller file sizes to split files across many disks. However, nowadays we split files for other purposes, such as readability, for generating logs, sending files over e-mail, and so on. In this recipe we will see various ways of splitting files in different chunks.

How to do it...

Let's say we have a test file called data.file, which has a size of 100 KB. You can split this file into smaller files of 10k each by specifying the split size as follows:

$ split -b 10k data.file
$ ls
data.file  xaa  xab  xac  xad  xae  xaf  xag  xah  xai  xaj

It will ...