Csplit

Last updated
csplit
Operating system Unix and Unix-like
Platform Cross-platform
Type Command
License GNU GPL v3

csplit is a shell command for splitting a file into two or more smaller files determined by context lines. The command is commonly available on Unix and Unix-like operating systems.

Contents

The command is part of the X/Open Portability Guide since issue 2 of 1987. It was inherited into the first version of POSIX and the Single Unix Specification. [1] It first appeared in PWB UNIX. [2] The version in GNU coreutils was written by Stuart Kemp and David MacKenzie. [3] The command is available for Windows via UnxUtils. [4]

Usage

The command line arguments consist of options, a file path and a list of patterns.

Each patterns is a line number or regular expression. The program outputs pieces of the file separated by the patterns into files xx00, xx01, etc., and outputs the size of each piece, in bytes, to standard output.

Comparison to split

The split command also splits a file into pieces – except that the pieces are of a fixed size; measured in lines or bytes.

See also

References

  1. ↑ csplit  – Shell and Utilities Reference, The Single UNIX Specification , Version 5 from The Open Group
  2. ↑ csplit(1)  –  FreeBSD General Commands Manual
  3. ↑ "Csplit(1) - Linux man page".
  4. ↑ "Native Win32 ports of some GNU utilities". unxutils.sourceforge.net.

Further reading

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