xref: /dragonfly/usr.bin/pathchk/pathchk.1 (revision 3851e4b8)
1.\" Copyright (c) 2001, 2002 Chuck Rouillard
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28.\" $FreeBSD: head/usr.bin/pathchk/pathchk.1 207485 2010-05-01 22:10:45Z jilles $
29.\"
30.Dd June 17, 2016
31.Dt PATHCHK 1
32.Os
33.Sh NAME
34.Nm pathchk
35.Nd check pathnames
36.Sh SYNOPSIS
37.Nm
38.Op Fl pP
39.Ar pathname ...
40.Sh DESCRIPTION
41The
42.Nm
43utility checks whether each of the specified
44.Ar pathname
45arguments is valid or portable.
46.Pp
47A diagnostic message is written for each argument that:
48.Bl -bullet
49.It
50Is longer than
51.Dv PATH_MAX
52bytes.
53.It
54Contains any component longer than
55.Dv NAME_MAX
56bytes.
57(The value of
58.Dv NAME_MAX
59depends on the underlying file system.)
60.It
61Contains a directory component that is not searchable.
62.El
63.Pp
64It is not considered an error if a
65.Ar pathname
66argument contains a nonexistent component as long as a component by that
67name could be created.
68.Pp
69The options are as follows:
70.Bl -tag -width indent
71.It Fl p
72Perform portability checks on the specified
73.Ar pathname
74arguments.
75Diagnostic messages will be written for each argument that:
76.Bl -bullet
77.It
78Is longer than
79.Dv _POSIX_PATH_MAX
80.Pq 255
81bytes.
82.It
83Contains a component longer than
84.Dv _POSIX_NAME_MAX
85.Pq 14
86bytes.
87.It
88Contains any character not in the portable filename character set (that is,
89alphanumeric characters,
90.Ql \&. ,
91.Ql \&-
92and
93.Ql _ ) .
94No component may start with the hyphen
95.Pq Ql \&-
96character.
97.El
98.It Fl P
99In addition to the default or
100.Fl p
101checks, write a diagnostic for each argument that:
102.Bl -bullet
103.It
104Is empty.
105.It
106Contains a component that starts with a hyphen.
107.El
108.El
109.Sh EXIT STATUS
110.Ex -std
111.Sh EXAMPLES
112Check whether the names of files in the current directory are portable to
113other
114.Tn POSIX
115systems:
116.Pp
117.Dl "find . -exec pathchk -p -- {} +"
118.Sh SEE ALSO
119.Xr getconf 1 ,
120.Xr pathconf 2 ,
121.Xr stat 2
122.Sh STANDARDS
123The
124.Nm
125utility conforms to
126.St -p1003.1-2001 .
127.Sh HISTORY
128A
129.Nm
130utility appeared in
131.Fx 5.0 .
132