1.\" $OpenBSD: dirname.1,v 1.9 2014/02/16 23:09:48 schwarze 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.\" @(#)dirname.1 8.2 (Berkeley) 4/18/94 34.\" 35.Dd $Mdocdate: February 16 2014 $ 36.Dt DIRNAME 1 37.Os 38.Sh NAME 39.Nm dirname 40.Nd return directory portion of pathname 41.Sh SYNOPSIS 42.Nm dirname 43.Ar pathname 44.Sh DESCRIPTION 45.Nm 46deletes the filename portion, beginning 47with the last slash 48.Pq Sq \&/ 49character to the end of 50.Ar pathname , 51and writes the result to the standard output. 52.Sh EXIT STATUS 53.Ex -std dirname 54.Sh EXAMPLES 55The following line sets the shell variable 56.Ev FOO 57to 58.Pa /usr/bin : 59.Pp 60.Dl FOO=`dirname /usr/bin/tail` 61.Sh SEE ALSO 62.Xr basename 1 , 63.Xr csh 1 , 64.Xr sh 1 , 65.Xr dirname 3 66.Sh STANDARDS 67The 68.Nm 69utility is compliant with the 70.St -p1003.1-2008 71specification. 72.Sh HISTORY 73The 74.Nm 75utility first appeared as an 76.Xr expr 1 77script in 78.At III . 79It was reimplemented in C for 80.Bx 4.3 Reno 81and reimplemented again using 82.Xr dirname 3 83for 84.Ox 2.2 . 85.Sh AUTHORS 86.An -nosplit 87The original 88.Bx 89version was written by 90.An Keith Bostic . 91The current 92.Ox 93version was written by 94.An Todd Miller Aq Mt millert@openbsd.org . 95