Annotation of src/usr.bin/apply/apply.1, Revision 1.21
1.21 ! jaredy 1: .\" $OpenBSD: apply.1,v 1.20 2003/06/10 09:12:09 jmc 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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1.19 millert 15: .\" 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 16: .\" may be used to endorse or promote products derived from this software
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31: .\" @(#)apply.1 8.2 (Berkeley) 4/4/94
32: .\"
33: .Dd April 4, 1994
34: .Dt APPLY 1
1.8 aaron 35: .Os
1.1 deraadt 36: .Sh NAME
37: .Nm apply
38: .Nd apply a command to a set of arguments
39: .Sh SYNOPSIS
40: .Nm apply
1.14 aaron 41: .Op Fl Ar #
1.21 ! jaredy 42: .Op Fl d
1.14 aaron 43: .Op Fl a Ar magic
1.21 ! jaredy 44: .Ar command argument ...
1.1 deraadt 45: .Sh DESCRIPTION
1.9 aaron 46: .Nm
1.1 deraadt 47: runs the named
48: .Ar command
1.10 aaron 49: on each given
1.1 deraadt 50: .Ar argument
51: in turn.
52: .Pp
53: Character sequences of the form
54: .Dq Li \&%d
55: in
56: .Ar command ,
57: where
1.10 aaron 58: .Sq d
1.1 deraadt 59: is a digit from 1 to 9, are replaced by the
1.21 ! jaredy 60: .Li d Ns 'th
1.1 deraadt 61: following unused
62: .Ar argument .
63: In this case, the largest digit number of arguments are discarded for
64: each execution of
65: .Ar command .
66: .Pp
67: The options are as follows:
1.12 aaron 68: .Bl -tag -width Ds
1.1 deraadt 69: .It Fl Ns Ar #
70: Normally arguments are taken singly; the optional number
1.11 aaron 71: .Fl Ns Ar #
1.1 deraadt 72: specifies the number of arguments to be passed to
73: .Ar command .
74: If the number is zero,
75: .Ar command
76: is run, without arguments, once for each
77: .Ar argument .
78: .Pp
79: If any sequences of
80: .Dq Li \&%d
1.7 aaron 81: occur in
82: .Ar command ,
83: the
1.11 aaron 84: .Fl Ns Ar #
1.1 deraadt 85: option is ignored.
1.14 aaron 86: .It Fl a Ar magic
1.11 aaron 87: Use
1.14 aaron 88: .Ar magic
1.11 aaron 89: as the magic character instead of the default
90: .Ql % .
1.10 aaron 91: .It Fl d
92: Debug mode.
93: Print commands to the standard output but do not actually execute them.
1.1 deraadt 94: .El
1.20 jmc 95: .Sh ENVIRONMENT
96: .Bl -tag -width SHELL
97: .It Ev SHELL
98: Pathname of shell to use.
99: If this variable is not defined, the Bourne shell is used.
100: .El
101: .Sh FILES
102: .Bl -tag -width /bin/sh -compact
103: .It Pa /bin/sh
104: default shell
105: .El
1.1 deraadt 106: .Sh EXAMPLES
1.21 ! jaredy 107: Operate similar to
! 108: .Xr ls 1 :
1.15 aaron 109: .Pp
1.21 ! jaredy 110: .Dl "$ apply echo a*"
1.15 aaron 111: .Pp
1.21 ! jaredy 112: Compare the
! 113: .Pa a*
1.10 aaron 114: files to the
1.21 ! jaredy 115: .Pa b*
! 116: files:
1.15 aaron 117: .Pp
1.21 ! jaredy 118: .Dl "$ apply -2 cmp a1 b1 a2 b2 a3 b3"
1.15 aaron 119: .Pp
1.21 ! jaredy 120: Run
1.5 deraadt 121: .Xr who 1
1.21 ! jaredy 122: five times:
! 123: .Pp
! 124: .Dl "$ apply -0 who 1 2 3 4 5"
1.15 aaron 125: .Pp
1.21 ! jaredy 126: Link all files in the current directory to the directory
! 127: .Pa /home/joe :
1.15 aaron 128: .Pp
1.21 ! jaredy 129: .Dl "$ apply 'ln %1 /home/joe'" *
1.10 aaron 130: .Sh SEE ALSO
1.21 ! jaredy 131: .Xr sh 1 ,
1.10 aaron 132: .Xr xargs 1
1.13 aaron 133: .Sh HISTORY
134: The
135: .Nm
136: command appeared in
137: .Bx 4.2 .
1.20 jmc 138: .Sh AUTHORS
139: Rob Pike
1.1 deraadt 140: .Sh BUGS
141: Shell metacharacters in
142: .Ar command
143: may have bizarre effects; it is best to enclose complicated
144: commands in single quotes
1.4 deraadt 145: .Pq '' .