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Annotation of src/usr.bin/apply/apply.1, Revision 1.2

1.2     ! deraadt     1: .\"    $NetBSD: apply.1,v 1.4 1996/03/18 23:16:57 jtc Exp $
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                     34: .\"     @(#)apply.1    8.2 (Berkeley) 4/4/94
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                     36: .Dd April 4, 1994
                     37: .Dt APPLY 1
                     38: .Os BSD 4.2
                     39: .Sh NAME
                     40: .Nm apply
                     41: .Nd apply a command to a set of arguments
                     42: .Sh SYNOPSIS
                     43: .Nm apply
                     44: .Op Fl a Ns Ar c
                     45: .Op Fl Ns Ar #
                     46: .Ar command argument ...
                     47: .Sh DESCRIPTION
                     48: .Nm Apply
                     49: runs the named
                     50: .Ar command
                     51: on each
                     52: argument
                     53: .Ar argument
                     54: in turn.
                     55: .Pp
                     56: Character sequences of the form
                     57: .Dq Li \&%d
                     58: in
                     59: .Ar command ,
                     60: where
                     61: .Dq Li d
                     62: is a digit from 1 to 9, are replaced by the
                     63: .Li d Ns \'th
                     64: following unused
                     65: .Ar argument .
                     66: In this case, the largest digit number of arguments are discarded for
                     67: each execution of
                     68: .Ar command .
                     69: .Pp
                     70: The options are as follows:
                     71: .Bl -tag -width "-ac"
                     72: .It Fl Ns Ar #
                     73: Normally arguments are taken singly; the optional number
                     74: .Fl #
                     75: specifies the number of arguments to be passed to
                     76: .Ar command .
                     77: If the number is zero,
                     78: .Ar command
                     79: is run, without arguments, once for each
                     80: .Ar argument .
                     81: .Pp
                     82: If any sequences of
                     83: .Dq Li \&%d
                     84: occur in command, the
1.2     ! deraadt    85: .Fl #
1.1       deraadt    86: option is ignored.
                     87: .It Fl a Ns Ar c
                     88: The use of the character
                     89: .Dq Li %
                     90: as a magic character may be changed with the
                     91: .Fl a
                     92: option.
                     93: .El
                     94: .Sh ENVIRONMENT VARIABLES
                     95: The following environment variable affects the execution of
                     96: .Nm apply :
                     97: .Bl -tag -width SHELL
                     98: .It Ev SHELL
                     99: Pathname of shell to use.
                    100: If this variable is not defined, the Bourne shell is used.
                    101: .El
                    102: .Sh EXAMPLES
                    103: .Bl -tag -width apply -compact
                    104: .It Li "apply echo a*"
                    105: is similar to ls(1);
                    106: .It Li "apply \-2 cmp a1 b1 a2 b2 a3 b3"
                    107: compares the `a' files to the `b' files;
                    108: .It Li "apply \-0 who 1 2 3 4 5"
                    109: runs who(1) 5 times; and
                    110: .It Li "apply \'ln %1 /usr/joe\'" *
                    111: links all files in the current directory to the directory
                    112: .Pa /usr/joe .
                    113: .El
                    114: .Sh Files
                    115: .Bl -tag -width /bin/sh -compact
                    116: .It Pa /bin/sh
                    117: Default shell
                    118: .El
                    119: .Sh AUTHOR
                    120: Rob Pike
                    121: .Sh BUGS
                    122: Shell metacharacters in
                    123: .Ar command
                    124: may have bizarre effects; it is best to enclose complicated
                    125: commands in single quotes
                    126: .Pq Sq .
                    127: .Sh HISTORY
                    128: The
                    129: .Nm
                    130: command appeared in
                    131: .Bx 4.2 .