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 1.6 2005/08/05 22:35:11 swildner Exp $ 38.\" 39.Dd April 18, 1994 40.Dt BASENAME 1 41.Os 42.Sh NAME 43.Nm basename , 44.Nm dirname 45.Nd return filename or directory portion of pathname 46.Sh SYNOPSIS 47.Nm 48.Ar string 49.Op Ar suffix 50.Nm dirname 51.Ar string 52.Sh DESCRIPTION 53The 54.Nm 55utility deletes any prefix ending with the last slash 56.Ql \&/ 57character present in 58.Ar string 59(after first stripping trailing slashes), 60and a 61.Ar suffix , 62if given. 63The 64.Ar suffix 65is not stripped if it is identical to the remaining characters in 66.Ar string . 67The resulting filename is written to the standard output. 68A non-existent suffix is ignored. 69.Pp 70The 71.Nm dirname 72utility deletes the filename portion, beginning 73with the last slash 74.Ql \&/ 75character to the end of 76.Ar string 77(after first stripping trailing slashes), 78and writes the result to the standard output. 79.Sh EXAMPLES 80The following line sets the shell variable 81.Ev FOO 82to 83.Pa /usr/bin . 84.Pp 85.Dl FOO=`dirname /usr/bin/trail` 86.Sh DIAGNOSTICS 87.Ex -std basename dirname 88.Sh SEE ALSO 89.Xr csh 1 , 90.Xr sh 1 91.Sh STANDARDS 92The 93.Nm 94and 95.Nm dirname 96utilities are expected to be 97.St -p1003.2 98compatible. 99The 100.Nm 101utility does not conform to 102.St -p1003.1-2004 . 103The 104.Nm dirname 105utility conforms to 106.St -p1003.1-2004 . 107