Basename
Unix string manipulation utility From Wikipedia, the free encyclopedia
basename is a standard computer program on Unix and Unix-like operating systems. When basename is given a pathname, it will delete any prefix up to the last slash ('/') character and return the result. basename is described in the Single UNIX Specification and is primarily used in shell scripts.
| Initial release | January 1979 |
|---|---|
| Written in | C |
| Operating system | Unix, Unix-like, Plan 9, Inferno |
| Platform | Cross-platform |
| Type | Command |
| License | coreutils: GPLv3+ Plan 9: MIT License |
basename was introduced in X/Open Portability Guidelines issue 2 of 1987. It was inherited into the first version of POSIX and the Single Unix Specification.[1] It first appeared in 4.4BSD.[2]
The version of basename bundled in GNU coreutils was written by David MacKenzie.[3]
The command is available as a separate package for Microsoft Windows as part of the GnuWin32 project[4] and the UnxUtils collection of native Win32 ports of common GNU Unix-like utilities.[5]
The Single UNIX Specification for basename is.
basename string [suffix]
- string
- A pathname
- suffix
- If specified, basename will also delete the suffix.
basename will retrieve the last name from a pathname ignoring any trailing slashes
$ basename /home/jsmith/base.wiki
base.wiki
$ basename /home/jsmith/
jsmith
$ basename /
/
basename can also be used to remove the end of the base name, but not the complete base name
$ basename /home/jsmith/base.wiki .wiki
base
$ basename /home/jsmith/base.wiki ki
base.wi
$ basename /home/jsmith/base.wiki base.wiki
base.wiki
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