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Annotation of src/usr.bin/apply/apply.1, Revision 1.3

1.3     ! deraadt     1: .\"    $OpenBSD: apply.1,v 1.4 1996/03/18 23:16:57 jtc 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 #
                     47: .Ar command argument ...
                     48: .Sh DESCRIPTION
                     49: .Nm Apply
                     50: runs the named
                     51: .Ar command
                     52: on each
                     53: argument
                     54: .Ar argument
                     55: in turn.
                     56: .Pp
                     57: Character sequences of the form
                     58: .Dq Li \&%d
                     59: in
                     60: .Ar command ,
                     61: where
                     62: .Dq Li d
                     63: is a digit from 1 to 9, are replaced by the
                     64: .Li d Ns \'th
                     65: following unused
                     66: .Ar argument .
                     67: In this case, the largest digit number of arguments are discarded for
                     68: each execution of
                     69: .Ar command .
                     70: .Pp
                     71: The options are as follows:
                     72: .Bl -tag -width "-ac"
                     73: .It Fl Ns Ar #
                     74: Normally arguments are taken singly; the optional number
                     75: .Fl #
                     76: specifies the number of arguments to be passed to
                     77: .Ar command .
                     78: If the number is zero,
                     79: .Ar command
                     80: is run, without arguments, once for each
                     81: .Ar argument .
                     82: .Pp
                     83: If any sequences of
                     84: .Dq Li \&%d
                     85: occur in command, the
1.2       deraadt    86: .Fl #
1.1       deraadt    87: option is ignored.
                     88: .It Fl a Ns Ar c
                     89: The use of the character
                     90: .Dq Li %
                     91: as a magic character may be changed with the
                     92: .Fl a
                     93: option.
                     94: .El
                     95: .Sh ENVIRONMENT VARIABLES
                     96: The following environment variable affects the execution of
                     97: .Nm apply :
                     98: .Bl -tag -width SHELL
                     99: .It Ev SHELL
                    100: Pathname of shell to use.
                    101: If this variable is not defined, the Bourne shell is used.
                    102: .El
                    103: .Sh EXAMPLES
                    104: .Bl -tag -width apply -compact
                    105: .It Li "apply echo a*"
                    106: is similar to ls(1);
                    107: .It Li "apply \-2 cmp a1 b1 a2 b2 a3 b3"
                    108: compares the `a' files to the `b' files;
                    109: .It Li "apply \-0 who 1 2 3 4 5"
                    110: runs who(1) 5 times; and
                    111: .It Li "apply \'ln %1 /usr/joe\'" *
                    112: links all files in the current directory to the directory
                    113: .Pa /usr/joe .
                    114: .El
                    115: .Sh Files
                    116: .Bl -tag -width /bin/sh -compact
                    117: .It Pa /bin/sh
                    118: Default shell
                    119: .El
                    120: .Sh AUTHOR
                    121: Rob Pike
                    122: .Sh BUGS
                    123: Shell metacharacters in
                    124: .Ar command
                    125: may have bizarre effects; it is best to enclose complicated
                    126: commands in single quotes
                    127: .Pq Sq .
                    128: .Sh HISTORY
                    129: The
                    130: .Nm
                    131: command appeared in
                    132: .Bx 4.2 .