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Editing: basename.1
.\" Copyright (c) 1990, 1993, 1994 .\" The Regents of the University of California. All rights reserved. .\" .\" This code is derived from software contributed to Berkeley by .\" the Institute of Electrical and Electronics Engineers, Inc. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" 3. Neither the name of the University nor the names of its contributors .\" may be used to endorse or promote products derived from this software .\" without specific prior written permission. .\" .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .\" @(#)basename.1 8.2 (Berkeley) 4/18/94 .\" $FreeBSD$ .\" .Dd May 26, 2020 .Dt BASENAME 1 .Os .Sh NAME .Nm basename , dirname .Nd return filename or directory portion of pathname .Sh SYNOPSIS .Nm .Ar string .Op Ar suffix .Nm .Op Fl a .Op Fl s Ar suffix .Ar string .Op Ar ... .Nm dirname .Ar string .Op Ar ... .Sh DESCRIPTION The .Nm utility deletes any prefix ending with the last slash .Ql \&/ character present in .Ar string (after first stripping trailing slashes), and a .Ar suffix , if given. The .Ar suffix is not stripped if it is identical to the remaining characters in .Ar string . The resulting filename is written to the standard output. A non-existent suffix is ignored. If .Fl a is specified, then every argument is treated as a .Ar string as if .Nm were invoked with just one argument. If .Fl s is specified, then the .Ar suffix is taken as its argument, and all other arguments are treated as a .Ar string . .Pp The .Nm dirname utility deletes the filename portion, beginning with the last slash .Ql \&/ character to the end of .Ar string (after first stripping trailing slashes), and writes the result to the standard output. .Sh EXIT STATUS .Ex -std basename dirname .Sh EXAMPLES The following line sets the shell variable .Ev FOO to .Pa /usr/bin . .Pp .Dl FOO=`dirname /usr/bin/trail` .Sh SEE ALSO .Xr csh 1 , .Xr sh 1 , .Xr basename 3 , .Xr dirname 3 .Sh STANDARDS The .Nm and .Nm dirname utilities are expected to be .St -p1003.2 compatible. .Sh HISTORY The .Nm and .Nm dirname utilities first appeared in .Bx 4.4 .
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