Linux Split split large file instance detailed

Linux Split command

Function Description: Cutting file.

Syntax: Split [--help][--version][-< rows >][-b < bytes >][-c < bytes >][-l < lines >][files to cut [output FILENAME]

Add: Split can cut the file into smaller files, preset every 1000 lines cut into a small file.

Parameters

-< number of rows > or-l< > Specifies how many rows to cut into a small file.

-b< bytes > Specifies how many words will be cut into a small file. Support Unit: M,k

The-c< byte > is similar to the-B parameter, but as much as possible to maintain the integrity of each row while cutting.

--help display Help.

--version Displays version information.

[Output file name] Sets the file's predecessor file name after the cut, and split automatically adds the number after the previous file name.

File segmentation with split under Linux:

Mode One: Specifies the number of rows after the split file

For a text file, you can split the file by specifying the number of rows in the split file.

Command: Split-l large_file.log new_file_prefix

Mode two: Specify File size after split

The code is as follows	Copy Code
Split-b 10m Server.log Server_prefix

We can also separate files by file size for binary files.

Split file file.tar.gz into a file with "File_" as the filename prefix with a size of 10M

The code is as follows	Copy Code
$split-B 10m file.tar.gz File_

File merging with cat under Linux:

Command: Cat small_files* > Large_file

Merging a split file

The code is as follows	Copy Code
$cat file_* > file.tar.gz