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<?xml version="1.0"?>
<command-def xmlns="http://www.unix4j.org/command-def"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.unix4j.org/command-def command-def.xsd">
<command name="xargs" class="org.unix4j.unix.Xargs" package="org.unix4j.unix.xargs"/>
<name>xargs - build and execute command lines from standard input</name>
<synopsis>xargs [-lwm]</synopsis>
<description ref="xargs.html"/>
<notes>
</notes>
<methods>
<method args="" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every input line; the item variables are usually passed to the
invoked command as arguments.
</method>
<method args="args" usesStandardInput="true">
Reads items from the standard input, delimited by blanks and
newlines or a specified delimiter, and provides variables for the
items read from the standard input. The command following after
xargs is executed once for every input line (or for multiple lines
depending on the input options); the item variables are usually
passed to the invoked command as arguments.
Options can be specified by acronym (with a leading dash "-") or by
long name (with two leading dashes "--"). Operands other than the
default "--maxArgs" operand have to be prefixed with the operand
name.
</method>
<method args="delimiter" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every input line; the item variables are usually passed to the
invoked command as arguments.
</method>
<method args="maxLines" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines (or possibly fewer
for the last invocation with the remaining lines at the end of the
file). The item variables are usually passed to the invoked command
as arguments.
</method>
<method args="maxArgs" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxArgs} items read from the standard input (or
possibly fewer for the last invocation with the remaining items at
the end of the file). The item variables are usually passed to the
invoked command as arguments.
</method>
<method args="maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines or {@code maxArgs}
items (whichever occurs first). Fewer lines or items may be used for
the last invocation with the remaining lines at the end of the file.
The item variables are usually passed to the invoked command as
arguments.
</method>
<method args="delimiter,maxLines" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines (or possibly fewer
for the last invocation with the remaining lines at the end of the
file). The item variables are usually passed to the invoked command
as arguments.
</method>
<method args="delimiter,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxArgs} items read from the standard input (or
possibly fewer for the last invocation with the remaining items at
the end of the file). The item variables are usually passed to the
invoked command as arguments.
</method>
<method args="delimiter,maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines or {@code maxArgs}
items (whichever occurs first). Fewer lines or items may be used for
the last invocation with the remaining lines at the end of the file.
The item variables are usually passed to the invoked command as
arguments.
</method>
<method args="delimiter,eof,maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. If the {@code eof} string occurs as a line of input,
the rest of the input is ignored. The command following after xargs
is executed once for every {@code maxLines} nonblank input lines or
{@code maxArgs} items (whichever occurs first). Fewer lines or items
may be used for the last invocation with the remaining lines at the
end of the file. The item variables are usually passed to the
invoked command as arguments.
</method>
<method args="options" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every input line; the item variables are usually passed to the
invoked command as arguments.
</method>
<method args="options,delimiter" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every input line; the item variables are usually passed to the
invoked command as arguments.
</method>
<method args="options,maxLines" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines (or possibly fewer
for the last invocation with the remaining lines at the end of the
file). The item variables are usually passed to the invoked command
as arguments.
</method>
<method args="options,maxArgs" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxArgs} items read from the standard input (or
possibly fewer for the last invocation with the remaining items at
the end of the file). The item variables are usually passed to the
invoked command as arguments.
</method>
<method args="options,maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input, delimited by blanks (which can
be protected with double or single quotes or a backslash) or
newlines, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines or {@code maxArgs}
items (whichever occurs first). Fewer lines or items may be used for
the last invocation with the remaining lines at the end of the file.
The item variables are usually passed to the invoked command as
arguments.
</method>
<method args="options,delimiter,maxLines" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines (or possibly fewer
for the last invocation with the remaining lines at the end of the
file). The item variables are usually passed to the invoked command
as arguments.
</method>
<method args="options,delimiter,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxArgs} items read from the standard input (or
possibly fewer for the last invocation with the remaining items at
the end of the file). The item variables are usually passed to the
invoked command as arguments.
</method>
<method args="options,delimiter,maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. The command following after xargs is executed once
for every {@code maxLines} nonblank input lines or {@code maxArgs}
items (whichever occurs first). Fewer lines or items may be used for
the last invocation with the remaining lines at the end of the file.
The item variables are usually passed to the invoked command as
arguments.
</method>
<method args="options,delimiter,eof,maxLines,maxArgs" usesStandardInput="true">
Reads items from the standard input using the specified delimiter to
separate items, and provides variables for the items read from the
standard input. If the {@code eof} string occurs as a line of input,
the rest of the input is ignored. The command following after xargs
is executed once for every {@code maxLines} nonblank input lines or
{@code maxArgs} items (whichever occurs first). Fewer lines or items
may be used for the last invocation with the remaining lines at the
end of the file. The item variables are usually passed to the
invoked command as arguments.
</method>
</methods>
<options>
<option name="delimiter0" acronym="z">
Input items are terminated by a null character instead of by
whitespace, and the quotes and backslash are not special (every
character is taken literally). Disables the end of file string,
which is treated like any other argument. Useful when input items
might contain white space, quote marks, or backslashes. The find
--print0 option produces input suitable for this mode.
(This option is ignored if an explicit delimiter operand is specified).
</option>
<option name="exactArgs" acronym="x">
Terminate immediately if {@code maxArgs} is specified but the found
number of variable items is less than {@code maxArgs}.
(This option is ignored if no {@code maxArgs} operand is specified).
</option>
<option name="noRunIfEmpty" acronym="r">
If the standard input does not contain any nonblanks, do not run the
command. Normally, the command is run once even if there is no
input.
</option>
<option name="verbose" acronym="t">
Print the command line on the standard error output before executing
it.
</option>
</options>
<operands default="maxArgs">
<operand name="delimiter" type="String">
Input items are terminated by the specified characters.
</operand>
<operand name="eof" type="String">
If the end of file string occurs as a line of input, the rest of the
input is ignored.
</operand>
<operand name="maxLines" type="long">
Use at most maxLines nonblank input lines per command invocation.
</operand>
<operand name="maxArgs" type="int">
Use at most maxArgs arguments per command invocation.
</operand>
<operand name="args" type="String...">
String arguments defining the options and operands for the command.
Options can be specified by acronym (with a leading dash "-") or by
long name (with two leading dashes "--"). Operands other than the
default "--maxArgs" operand have to be prefixed with the operand
name (e.g. "--maxLines" for a subsequent line count operand value).
</operand>
<operand name="options" type="XargsOptions">
The options defining command behavior.
</operand>
</operands>
</command-def>
