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Annotation of src/usr.bin/apply/apply.1, Revision 1.19

1.19    ! millert     1: .\"    $OpenBSD: apply.1,v 1.18 2003/03/12 20:12:37 deraadt 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
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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 #
                     42: .Op Fl a Ar magic
1.10      aaron      43: .Op Fl d
1.7       aaron      44: .Ar command argument
                     45: .Op Ar ...
1.1       deraadt    46: .Sh DESCRIPTION
1.9       aaron      47: .Nm
1.1       deraadt    48: runs the named
                     49: .Ar command
1.10      aaron      50: on each given
1.1       deraadt    51: .Ar argument
                     52: in turn.
                     53: .Pp
                     54: Character sequences of the form
                     55: .Dq Li \&%d
                     56: in
                     57: .Ar command ,
                     58: where
1.10      aaron      59: .Sq d
1.1       deraadt    60: is a digit from 1 to 9, are replaced by the
                     61: .Li d Ns \'th
                     62: following unused
                     63: .Ar argument .
                     64: In this case, the largest digit number of arguments are discarded for
                     65: each execution of
                     66: .Ar command .
                     67: .Pp
                     68: The options are as follows:
1.12      aaron      69: .Bl -tag -width Ds
1.1       deraadt    70: .It Fl Ns Ar #
                     71: Normally arguments are taken singly; the optional number
1.11      aaron      72: .Fl Ns Ar #
1.1       deraadt    73: specifies the number of arguments to be passed to
                     74: .Ar command .
                     75: If the number is zero,
                     76: .Ar command
                     77: is run, without arguments, once for each
                     78: .Ar argument .
                     79: .Pp
                     80: If any sequences of
                     81: .Dq Li \&%d
1.7       aaron      82: occur in
                     83: .Ar command ,
                     84: the
1.11      aaron      85: .Fl Ns Ar #
1.1       deraadt    86: option is ignored.
1.14      aaron      87: .It Fl a Ar magic
1.11      aaron      88: Use
1.14      aaron      89: .Ar magic
1.11      aaron      90: as the magic character instead of the default
                     91: .Ql % .
1.10      aaron      92: .It Fl d
                     93: Debug mode.
                     94: Print commands to the standard output but do not actually execute them.
1.1       deraadt    95: .El
                     96: .Sh EXAMPLES
1.18      deraadt    97: .Li "$ apply echo a*"
1.15      aaron      98: .Pp
                     99: Similar to
                    100: .Xr ls 1 .
                    101: .Pp
1.18      deraadt   102: .Li "$ apply \-2 cmp a1 b1 a2 b2 a3 b3"
1.15      aaron     103: .Pp
                    104: Compares the
                    105: .Dq a
1.10      aaron     106: files to the
1.15      aaron     107: .Dq b
                    108: files.
                    109: .Pp
1.18      deraadt   110: .Li "$ apply \-0 who 1 2 3 4 5"
1.15      aaron     111: .Pp
                    112: Runs
1.5       deraadt   113: .Xr who 1
1.15      aaron     114: 5 times.
                    115: .Pp
1.18      deraadt   116: .Li "$ apply \'ln %1 /usr/joe\'" *
1.15      aaron     117: .Pp
                    118: Links all files in the current directory to the directory
1.1       deraadt   119: .Pa /usr/joe .
1.13      aaron     120: .Sh ENVIRONMENT
                    121: .Bl -tag -width SHELL
                    122: .It Ev SHELL
                    123: Pathname of shell to use.
                    124: If this variable is not defined, the Bourne shell is used.
                    125: .El
1.7       aaron     126: .Sh FILES
1.1       deraadt   127: .Bl -tag -width /bin/sh -compact
                    128: .It Pa /bin/sh
1.7       aaron     129: default shell
1.1       deraadt   130: .El
1.10      aaron     131: .Sh SEE ALSO
                    132: .Xr xargs 1
1.15      aaron     133: .Sh AUTHORS
1.1       deraadt   134: Rob Pike
1.13      aaron     135: .Sh HISTORY
                    136: The
                    137: .Nm
                    138: command appeared in
                    139: .Bx 4.2 .
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 '' .