1.\" Copyright (c) 1990, 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Institute of Electrical and Electronics Engineers, Inc. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" @(#)basename.1 8.2 (Berkeley) 4/18/94 36.\" $FreeBSD: src/usr.bin/basename/basename.1,v 1.6.2.7 2002/07/15 04:11:27 keramida Exp $ 37.\" $DragonFly: src/usr.bin/basename/basename.1,v 1.2 2003/06/17 04:29:25 dillon Exp $ 38.\" 39.Dd April 18, 1994 40.Dt BASENAME 1 41.Os 42.Sh NAME 43.Nm basename , dirname 44.Nd return filename or directory portion of pathname 45.Sh SYNOPSIS 46.Nm 47.Ar string 48.Op Ar suffix 49.Nm dirname 50.Ar string 51.Sh DESCRIPTION 52The 53.Nm 54utility deletes any prefix ending with the last slash 55.Ql \&/ 56character present in 57.Ar string 58(after first stripping trailing slashes), 59and a 60.Ar suffix , 61if given. 62The 63.Ar suffix 64is not stripped if it is identical to the remaining characters in 65.Ar string . 66The resulting filename is written to the standard output. 67A non-existent suffix is ignored. 68.Pp 69The 70.Nm dirname 71utility deletes the filename portion, beginning 72with the last slash 73.Ql \&/ 74character to the end of 75.Ar string 76(after first stripping trailing slashes), 77and writes the result to the standard output. 78.Sh EXAMPLES 79The following line sets the shell variable 80.Ev FOO 81to 82.Pa /usr/bin . 83.Pp 84.Dl FOO=`dirname /usr/bin/trail` 85.Sh DIAGNOSTICS 86.Ex -std basename dirname 87.Sh SEE ALSO 88.Xr csh 1 , 89.Xr sh 1 90.Sh STANDARDS 91The 92.Nm 93and 94.Nm dirname 95utilities are expected to be 96.St -p1003.2 97compatible. 98