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.\" $FreeBSD$ 37.\" 38.Dd April 18, 1994 39.Dt BASENAME 1 40.Os 41.Sh NAME 42.Nm basename , dirname 43.Nd return filename or directory portion of pathname 44.Sh SYNOPSIS 45.Nm 46.Ar string 47.Op Ar suffix 48.Nm 49.Op Fl a 50.Op Fl s Ar suffix 51.Ar string 52.Op Ar ... 53.Nm dirname 54.Ar string 55.Op Ar ... 56.Sh DESCRIPTION 57The 58.Nm 59utility deletes any prefix ending with the last slash 60.Ql \&/ 61character present in 62.Ar string 63(after first stripping trailing slashes), 64and a 65.Ar suffix , 66if given. 67The 68.Ar suffix 69is not stripped if it is identical to the remaining characters in 70.Ar string . 71The resulting filename is written to the standard output. 72A non-existent suffix is ignored. 73If 74.Fl a 75is specified, then every argument is treated as a 76.Ar string 77as if 78.Nm 79were invoked with just one argument. 80If 81.Fl s 82is specified, then the 83.Ar suffix 84is taken as its argument, and all other arguments are treated as a 85.Ar string . 86.Pp 87The 88.Nm dirname 89utility deletes the filename portion, beginning 90with the last slash 91.Ql \&/ 92character to the end of 93.Ar string 94(after first stripping trailing slashes), 95and writes the result to the standard output. 96.Sh EXIT STATUS 97.Ex -std basename dirname 98.Sh EXAMPLES 99The following line sets the shell variable 100.Ev FOO 101to 102.Pa /usr/bin . 103.Pp 104.Dl FOO=`dirname /usr/bin/trail` 105.Sh SEE ALSO 106.Xr csh 1 , 107.Xr sh 1 , 108.Xr basename 3 , 109.Xr dirname 3 110.Sh STANDARDS 111The 112.Nm 113and 114.Nm dirname 115utilities are expected to be 116.St -p1003.2 117compatible. 118