APPLY
Section: User Commands (1)
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BSD mandoc
BSD 4.2
NAME
apply
- apply a command to a set of arguments
SYNOPSIS
[-a c
]
[-file ...
]
command argument ...
DESCRIPTION
runs the named
command
on each
argument
argument
in turn.
Character sequences of the form
``%d
''
in
command
where
``d
''
is a digit from 1 to 9, are replaced by the
d 'th
following unused
argument
In this case, the largest digit number of arguments are discarded for
each execution of
command
The options are as follows:
- -file ...
-
Normally arguments are taken singly; the optional number
-#
specifies the number of arguments to be passed to
command
If the number is zero,
command
is run, without arguments, once for each
argument
If any sequences of
``%d
''
occur in command, the
-#
option is ignored.
- -a c
-
The use of the character
``%
''
as a magic character may be changed with the
-a
option.
ENVIRONMENT VARIABLES
The following environment variable affects the execution of
:
- SHELL
-
Pathname of shell to use.
If this variable is not defined, the Bourne shell is used.
EXAMPLES
- apply echo a*
-
is similar to
ls(1);
- apply -2 cmp a1 b1 a2 b2 a3 b3
-
compares the `a' files to the `b' files;
- apply -0 who 1 2 3 4 5
-
runs
who(1)
5 times; and
- apply 'ln %1 /usr/joe'
-
links all files in the current directory to the directory
/usr/joe
Files
- /bin/sh
-
Default shell
AUTHOR
Rob Pike
BUGS
Shell metacharacters in
command
may have bizarre effects; it is best to enclose complicated
commands in single quotes
('')
HISTORY
The
command appeared in
BSD 4.2
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ENVIRONMENT VARIABLES
-
- EXAMPLES
-
- Files
-
- AUTHOR
-
- BUGS
-
- HISTORY
-
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