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Annotation of src/usr.bin/apply/apply.1, Revision 1.7

1.7     ! aaron       1: .\"    $OpenBSD: apply.1,v 1.6 1998/05/13 10:33:24 deraadt Exp $
1.2       deraadt     2: .\"    $NetBSD: apply.1,v 1.4 1996/03/18 23:16:57 jtc Exp $
1.1       deraadt     3: .\"
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                     35: .\"     @(#)apply.1    8.2 (Berkeley) 4/4/94
                     36: .\"
                     37: .Dd April 4, 1994
                     38: .Dt APPLY 1
                     39: .Os BSD 4.2
                     40: .Sh NAME
                     41: .Nm apply
                     42: .Nd apply a command to a set of arguments
                     43: .Sh SYNOPSIS
                     44: .Nm apply
                     45: .Op Fl a Ns Ar c
                     46: .Op Fl Ns Ar #
1.7     ! aaron      47: .Ar command argument
        !            48: .Op Ar ...
1.1       deraadt    49: .Sh DESCRIPTION
1.7     ! aaron      50: .Nm apply
1.1       deraadt    51: runs the named
                     52: .Ar command
                     53: on each
                     54: argument
                     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
1.7     ! aaron      63: .Sq Li 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:
                     73: .Bl -tag -width "-ac"
                     74: .It Fl Ns Ar #
                     75: Normally arguments are taken singly; the optional number
                     76: .Fl #
                     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
1.2       deraadt    89: .Fl #
1.1       deraadt    90: option is ignored.
                     91: .It Fl a Ns Ar c
                     92: The use of the character
1.7     ! aaron      93: .Sq Li %
1.1       deraadt    94: as a magic character may be changed with the
                     95: .Fl a
                     96: option.
                     97: .El
1.6       deraadt    98: .Sh ENVIRONMENT
1.1       deraadt    99: The following environment variable affects the execution of
                    100: .Nm apply :
                    101: .Bl -tag -width SHELL
                    102: .It Ev SHELL
                    103: Pathname of shell to use.
                    104: If this variable is not defined, the Bourne shell is used.
                    105: .El
                    106: .Sh EXAMPLES
                    107: .Bl -tag -width apply -compact
                    108: .It Li "apply echo a*"
1.5       deraadt   109: is similar to
                    110: .Xr ls 1 ;
1.1       deraadt   111: .It Li "apply \-2 cmp a1 b1 a2 b2 a3 b3"
                    112: compares the `a' files to the `b' files;
                    113: .It Li "apply \-0 who 1 2 3 4 5"
1.5       deraadt   114: runs
                    115: .Xr who 1
                    116: 5 times; and
1.1       deraadt   117: .It Li "apply \'ln %1 /usr/joe\'" *
                    118: links all files in the current directory to the directory
                    119: .Pa /usr/joe .
                    120: .El
1.7     ! aaron     121: .Sh FILES
1.1       deraadt   122: .Bl -tag -width /bin/sh -compact
                    123: .It Pa /bin/sh
1.7     ! aaron     124: default shell
1.1       deraadt   125: .El
                    126: .Sh AUTHOR
                    127: Rob Pike
                    128: .Sh BUGS
                    129: Shell metacharacters in
                    130: .Ar command
                    131: may have bizarre effects; it is best to enclose complicated
                    132: commands in single quotes
1.4       deraadt   133: .Pq '' .
1.1       deraadt   134: .Sh HISTORY
                    135: The
                    136: .Nm
                    137: command appeared in
                    138: .Bx 4.2 .