\" $NetBSD: basename.1,v 1.18 2017/07/03 21:34:18 wiz Exp $
\"
\" Copyright (c) 1990, 1993, 1994
\" The Regents of the University of California. All rights reserved.
\"
\" This code is derived from software contributed to Berkeley by
\" the Institute of Electrical and Electronics Engineers, Inc.
\"
\" Redistribution and use in source and binary forms, with or without
\" modification, are permitted provided that the following conditions
\" are met:
\" 1. Redistributions of source code must retain the above copyright
\" notice, this list of conditions and the following disclaimer.
\" 2. Redistributions in binary form must reproduce the above copyright
\" notice, this list of conditions and the following disclaimer in the
\" documentation and/or other materials provided with the distribution.
\" 3. Neither the name of the University nor the names of its contributors
\" may be used to endorse or promote products derived from this software
\" without specific prior written permission.
\"
\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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\"
\" @(#)basename.1 8.2 (Berkeley) 4/18/94
\"
Dd April 18, 1994
Dt BASENAME 1
Os
Sh NAME
Nm basename ,
Nm dirname
Nd return filename or directory portion of pathname
Sh SYNOPSIS
Nm
Ar string
Op Ar suffix
Nm dirname
Ar string
Sh DESCRIPTION
Nm
deletes any prefix ending with the last slash
Ql \&/
character present in
Ar string ,
and a
Ar suffix ,
if given.
The resulting filename is written to the standard output.
A non-existent suffix is ignored.
Pp
Nm dirname
deletes the filename portion, beginning
with the last slash
Ql \&/
character to the end of
Ar string ,
and writes the result to the standard output.
Sh EXIT STATUS
Both the
Nm
and
Nm dirname
utilities
exit 0 on success, and >0 if an error occurs.
Sh EXAMPLES
The following line sets the shell variable
Ev FOO
to
Pa /usr/bin .
Pp
Dl FOO=`dirname /usr/bin/trail`
Sh SEE ALSO
Xr csh 1 ,
Xr sh 1 ,
Xr basename 3 ,
Xr dirname 3
Sh STANDARDS
The
Nm
and
Nm dirname
utilities conform to
St -p1003.2-92 .
