Annotation of src/usr.bin/apply/apply.1, Revision 1.14
1.14 ! aaron 1: .\" $OpenBSD: apply.1,v 1.13 2000/11/10 05:10:21 aaron Exp $
1.2 deraadt 2: .\" $NetBSD: apply.1,v 1.4 1996/03/18 23:16:57 jtc Exp $
1.1 deraadt 3: .\"
4: .\" Copyright (c) 1983, 1990, 1993
5: .\" The Regents of the University of California. All rights reserved.
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8: .\" modification, are permitted provided that the following conditions
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18: .\" California, Berkeley and its contributors.
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35: .\" @(#)apply.1 8.2 (Berkeley) 4/4/94
36: .\"
37: .Dd April 4, 1994
38: .Dt APPLY 1
1.8 aaron 39: .Os
1.1 deraadt 40: .Sh NAME
41: .Nm apply
42: .Nd apply a command to a set of arguments
43: .Sh SYNOPSIS
44: .Nm apply
1.14 ! aaron 45: .Op Fl Ar #
! 46: .Op Fl a Ar magic
1.10 aaron 47: .Op Fl d
1.7 aaron 48: .Ar command argument
49: .Op Ar ...
1.1 deraadt 50: .Sh DESCRIPTION
1.9 aaron 51: .Nm
1.1 deraadt 52: runs the named
53: .Ar command
1.10 aaron 54: on each given
1.1 deraadt 55: .Ar argument
56: in turn.
57: .Pp
58: Character sequences of the form
59: .Dq Li \&%d
60: in
61: .Ar command ,
62: where
1.10 aaron 63: .Sq d
1.1 deraadt 64: is a digit from 1 to 9, are replaced by the
65: .Li d Ns \'th
66: following unused
67: .Ar argument .
68: In this case, the largest digit number of arguments are discarded for
69: each execution of
70: .Ar command .
71: .Pp
72: The options are as follows:
1.12 aaron 73: .Bl -tag -width Ds
1.1 deraadt 74: .It Fl Ns Ar #
75: Normally arguments are taken singly; the optional number
1.11 aaron 76: .Fl Ns Ar #
1.1 deraadt 77: specifies the number of arguments to be passed to
78: .Ar command .
79: If the number is zero,
80: .Ar command
81: is run, without arguments, once for each
82: .Ar argument .
83: .Pp
84: If any sequences of
85: .Dq Li \&%d
1.7 aaron 86: occur in
87: .Ar command ,
88: the
1.11 aaron 89: .Fl Ns Ar #
1.1 deraadt 90: option is ignored.
1.14 ! aaron 91: .It Fl a Ar magic
1.11 aaron 92: Use
1.14 ! aaron 93: .Ar magic
1.11 aaron 94: as the magic character instead of the default
95: .Ql % .
1.10 aaron 96: .It Fl d
97: Debug mode.
98: Print commands to the standard output but do not actually execute them.
1.1 deraadt 99: .El
100: .Sh EXAMPLES
1.11 aaron 101: .Bl -tag -width apply
1.1 deraadt 102: .It Li "apply echo a*"
1.5 deraadt 103: is similar to
104: .Xr ls 1 ;
1.1 deraadt 105: .It Li "apply \-2 cmp a1 b1 a2 b2 a3 b3"
1.10 aaron 106: compares the
107: .Sq a
108: files to the
1.11 aaron 109: .Sq b
110: files;
1.1 deraadt 111: .It Li "apply \-0 who 1 2 3 4 5"
1.5 deraadt 112: runs
113: .Xr who 1
114: 5 times; and
1.1 deraadt 115: .It Li "apply \'ln %1 /usr/joe\'" *
116: links all files in the current directory to the directory
117: .Pa /usr/joe .
118: .El
1.13 aaron 119: .Sh ENVIRONMENT
120: The following environment variable affects the execution of
121: .Nm apply :
122: .Bl -tag -width SHELL
123: .It Ev SHELL
124: Pathname of shell to use.
125: If this variable is not defined, the Bourne shell is used.
126: .El
1.7 aaron 127: .Sh FILES
1.1 deraadt 128: .Bl -tag -width /bin/sh -compact
129: .It Pa /bin/sh
1.7 aaron 130: default shell
1.1 deraadt 131: .El
1.10 aaron 132: .Sh SEE ALSO
133: .Xr xargs 1
1.1 deraadt 134: .Sh AUTHOR
135: Rob Pike
1.13 aaron 136: .Sh HISTORY
137: The
138: .Nm
139: command appeared in
140: .Bx 4.2 .
1.1 deraadt 141: .Sh BUGS
142: Shell metacharacters in
143: .Ar command
144: may have bizarre effects; it is best to enclose complicated
145: commands in single quotes
1.4 deraadt 146: .Pq '' .
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