1.\" $NetBSD: basename.1,v 1.17 2003/09/06 20:56:40 kleink Exp $ 2.\" 3.\" Copyright (c) 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Institute of Electrical and Electronics Engineers, Inc. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. Neither the name of the University nor the names of its contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" @(#)basename.1 8.2 (Berkeley) 4/18/94 34.\" 35.Dd April 18, 1994 36.Dt BASENAME 1 37.Os 38.Sh NAME 39.Nm basename , 40.Nm dirname 41.Nd return filename or directory portion of pathname 42.Sh SYNOPSIS 43.Nm 44.Ar string 45.Op Ar suffix 46.Nm dirname 47.Ar string 48.Sh DESCRIPTION 49.Nm 50deletes any prefix ending with the last slash 51.Ql \&/ 52character present in 53.Ar string , 54and a 55.Ar suffix , 56if given. 57The resulting filename is written to the standard output. 58A non-existent suffix is ignored. 59.Pp 60.Nm dirname 61deletes the filename portion, beginning 62with the last slash 63.Ql \&/ 64character to the end of 65.Ar string , 66and writes the result to the standard output. 67.Sh EXIT STATUS 68Both the 69.Nm 70and 71.Nm dirname 72utilities 73exit 0 on success, and \*[Gt]0 if an error occurs. 74.Sh EXAMPLES 75The following line sets the shell variable 76.Ev FOO 77to 78.Pa /usr/bin . 79.Pp 80.Dl FOO=`dirname /usr/bin/trail` 81.Sh SEE ALSO 82.Xr csh 1 , 83.Xr sh 1 , 84.Xr basename 3 , 85.Xr dirname 3 86.Sh STANDARDS 87The 88.Nm 89and 90.Nm dirname 91utilities conform to 92.St -p1003.2-92 . 93