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