97 lines
3.1 KiB
Groff
97 lines
3.1 KiB
Groff
.\" Copyright (c) 1990, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Institute of Electrical and Electronics Engineers, Inc.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)basename.1 8.2 (Berkeley) 4/18/94
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.\" $FreeBSD$
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.\"
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.Dd April 18, 1994
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.Dt BASENAME 1
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.Os
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.Sh NAME
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.Nm basename , dirname
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.Nd return filename or directory portion of pathname
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.Sh SYNOPSIS
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.Nm basename
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.Ar string
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.Op Ar suffix
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.Nm dirname
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.Ar string
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.Sh DESCRIPTION
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.Nm Basename
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deletes any prefix ending with the last slash
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.Ql \&/
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character present in
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.Ar string
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(after first stripping trailing slashes),
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and a
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.Ar suffix ,
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if given.
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The
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.Ar suffix
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is not stripped if it is identical to the remaining characters in
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.Ar string .
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The resulting filename is written to the standard output.
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A non-existent suffix is ignored.
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.Pp
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.Nm Dirname
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deletes the filename portion, beginning
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with the last slash
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.Ql \&/
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character to the end of
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.Ar string
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(after first stripping trailing slashes),
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and writes the result to the standard output.
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.Sh EXAMPLES
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The following line sets the shell variable
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.Ev FOO
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to
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.Pa /usr/bin .
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.Pp
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.Dl FOO=`dirname /usr/bin/trail`
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.Sh DIAGNOSTICS
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Both the
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.Nm
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and
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.Nm dirname
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utilities exit 0 on success, and >0 if an error occurs.
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.Sh SEE ALSO
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.Xr csh 1 ,
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.Xr sh 1
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.Sh STANDARDS
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The
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.Nm
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and
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.Nm dirname
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functions are expected to be POSIX 1003.2 compatible.
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