1.\" Copyright (c) 1983, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)apply.1 8.2 (Berkeley) 4/4/94 29.\" $FreeBSD: src/usr.bin/apply/apply.1,v 1.17 2006/12/13 08:13:14 ru Exp $ 30.\" $DragonFly: src/usr.bin/apply/apply.1,v 1.4 2007/08/05 16:19:56 pavalos Exp $ 31.\" 32.Dd December 13, 2006 33.Dt APPLY 1 34.Os 35.Sh NAME 36.Nm apply 37.Nd apply a command to a set of arguments 38.Sh SYNOPSIS 39.Nm 40.Op Fl a Ar c 41.Op Fl d 42.Op Fl # 43.Ar command argument ... 44.Sh DESCRIPTION 45The 46.Nm 47utility runs the named 48.Ar command 49on each 50argument 51.Ar argument 52in turn. 53.Pp 54Character sequences of the form 55.Dq Li \&%d 56in 57.Ar command , 58where 59.Sq Li d 60is a digit from 1 to 9, are replaced by the 61.Li d Ns \'th 62following unused 63.Ar argument . 64In this case, the largest digit number of arguments are discarded for 65each execution of 66.Ar command . 67.Pp 68The options are as follows: 69.Bl -tag -width indent 70.It Fl # 71Normally arguments are taken singly; the optional number 72.Fl # 73specifies the number of arguments to be passed to 74.Ar command . 75If the number is zero, 76.Ar command 77is run, without arguments, once for each 78.Ar argument . 79.Pp 80If any sequences of 81.Dq Li \&%d 82occur in 83.Ar command , 84the 85.Fl # 86option is ignored. 87.It Fl a Ar c 88The use of the character 89.Sq Li % 90as a magic character may be changed with the 91.Fl a 92option. 93.It Fl d 94Display the commands that would have been executed, but do not actually 95execute them. 96.El 97.Sh ENVIRONMENT 98The following environment variable affects the execution of 99.Nm : 100.Bl -tag -width SHELL 101.It Ev SHELL 102Pathname of shell to use. 103If this variable is not defined, the Bourne shell is used. 104.El 105.Sh FILES 106.Bl -tag -width /bin/sh -compact 107.It Pa /bin/sh 108default shell 109.El 110.Sh EXAMPLES 111.Bl -tag -width apply -compact 112.It Li "apply echo *" 113is similar to 114.Xr ls 1 ; 115.It Li "apply \-2 cmp a1 b1 a2 b2 a3 b3" 116compares the `a' files to the `b' files; 117.It Li "apply \-0 who 1 2 3 4 5" 118runs 119.Xr who 1 1205 times; and 121.It Li "apply \'ln %1 /usr/joe\'" * 122links all files in the current directory to the directory 123.Pa /usr/joe . 124.El 125.Sh HISTORY 126The 127.Nm 128command appeared in 129.Bx 4.2 . 130.Sh AUTHORS 131.An Rob Pike 132.Sh BUGS 133Shell metacharacters in 134.Ar command 135may have bizarre effects; it is best to enclose complicated 136commands in single quotes 137.Pq '' . 138.Pp 139The 140.Nm 141utility does not recognize multibyte characters. 142