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1 .\" $NetBSD: basename.1,v 1.11 1997/11/15 20:16:16 msaitoh 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 .\"
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10 .\" modification, are permitted provided that the following conditions
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12 .\" 1. Redistributions of source code must retain the above copyright
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14 .\" 2. Redistributions in binary form must reproduce the above copyright
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17 .\" 3. All advertising materials mentioning features or use of this software
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19 .\" This product includes software developed by the University of
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21 .\" 4. Neither the name of the University nor the names of its contributors
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25 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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37 .\" @(#)basename.1 8.2 (Berkeley) 4/18/94
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
53 .Nm
54 deletes any prefix ending with the last slash
55 .Ql \&/
56 character present in
57 .Ar string ,
58 and a
59 .Ar suffix ,
60 if given.
61 The resulting filename is written to the standard output.
62 A non-existent suffix is ignored.
63 .Pp
64 .Nm dirname
65 deletes the filename portion, beginning
66 with the last slash
67 .Ql \&/
68 character to the end of
69 .Ar string ,
70 and writes the result to the standard output.
71 .Sh EXAMPLES
72 The following line sets the shell variable
73 .Ev FOO
74 to
75 .Pa /usr/bin .
76 .Pp
77 .Dl FOO=`dirname /usr/bin/trail`
78 .Sh DIAGNOSTICS
79 Both the
80 .Nm
81 and
82 .Nm dirname
83 utilities
84 exit 0 on success, and >0 if an error occurs.
85 .Sh SEE ALSO
86 .Xr csh 1 ,
87 .Xr sh 1
88 .Sh STANDARDS
89 The
90 .Nm
91 and
92 .Nm dirname
93 utilities conform to
94 .St -p1003.2-92 .