Linux Split command detailed _linux Shell

command function : Cutting files, cutting files in units of behavior or in bytes

command Syntax :

Split [–help][–version]

Split [-< line number >][-l < lines [file to be cut] [output FILENAME]
, in number of rows

Split [-B < byte >][-c < bytes] [file to cut] [output filename], in bytes

The output file name refers to the cut file as a prefix.

1. Cutting documents by unit of conduct

First create a file with 5 lines Hello,

#cat Hello
Hello, World1.
Hello, World2.
Hello, World3.
Hello, World4.
Hello, World5.

To use the command:

#split-2 Hello split1_

The split command cuts the file in two behavioral units, each of which consists of a new file, and 5 lines have three files, the names of which are:

Split1_aa, Split1_ab, Split_ac

2. Cutting in bytes

or file hello, using the command ls-l hello can see the file size is 65 bytes, to 10 byte cutting file, there will be 7 files

Use the-B command first, as follows:

#split-B Hello split2_

The file was cut out with 7,

Split2_aa, Split2_ab, Split2_ac, Split2_ad, Split2_ae, Split2_af, Split2_ag

The-c parameter is used below, as follows:

#split-C Hello split3_

10 files were cut out, with the ls-l command output as follows:

Although the same is done in bytes, the-c parameter keeps the integrity of each row as much as possible, that is, a row has 13 bytes, then it will be cut to two files, a 10 byte, a 3 byte, and the-B parameter will accumulate 8 bytes to the next line to make up 10 bytes and then cut, so the-b parameter only 7 files, The-c parameter has 10 files.