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PERLDOC(1)	       Perl Programmers Reference Guide		    PERLDOC(1)

       perldoc - Look up Perl documentation in Pod format.

       perldoc [-h] [-v] [-t] [-u] [-m] [-l] [-F] [-i] [-V] [-T] [-r]
       [-ddestination_file] [-oformatname] [-MFormatterClassName]
       [-wformatteroption:value] [-nnroff-replacement] [-X] [-L language_code]

       perldoc -f BuiltinFunction

       perldoc -L it -f BuiltinFunction

       perldoc -q FAQ Keyword

       perldoc -L fr -q FAQ Keyword

       See below for more description of the switches.

       perldoc looks up a piece of documentation in .pod format that is
       embedded in the perl installation tree or in a perl script, and
       displays it via "pod2man | nroff -man | $PAGER". (In addition, if
       running under HP-UX, "col -x" will be used.) This is primarily used for
       the documentation for the perl library modules.

       Your system may also have man pages installed for those modules, in
       which case you can probably just use the man(1) command.

       If you are looking for a table of contents to the Perl library modules
       documentation, see the perltoc page.

       -h   Prints out a brief help message.

       -v   Describes search for the item in detail (verbosely).

       -t   Display docs using plain text converter, instead of nroff. This
	    may be faster, but it probably won't look as nice.

       -u   Skip the real Pod formatting, and just show the raw Pod source

       -m module
	    Display the entire module: both code and unformatted pod
	    documentation.  This may be useful if the docs don't explain a
	    function in the detail you need, and you'd like to inspect the
	    code directly; perldoc will find the file for you and simply hand
	    it off for display.

       -l   Display only the file name of the module found.

       -F   Consider arguments as file names; no search in directories will be

       -f perlfunc
	    The -f option followed by the name of a perl built in function
	    will extract the documentation of this function from perlfunc.


		  perldoc -f sprintf

       -q perlfaq-search-regexp
	    The -q option takes a regular expression as an argument.  It will
	    search the question headings in perlfaq[1-9] and print the entries
	    matching the regular expression.  Example: "perldoc -q shuffle"

       -T   This specifies that the output is not to be sent to a pager, but
	    is to be sent right to STDOUT.

       -d destination-filename
	    This specifies that the output is to be sent neither to a pager
	    nor to STDOUT, but is to be saved to the specified filename.
	    Example: "perldoc -oLaTeX -dtextwrapdocs.tex Text::Wrap"

       -o output-formatname
	    This specifies that you want Perldoc to try using a Pod-formatting
	    class for the output format that you specify.  For example:
	    "-oman".  This is actually just a wrapper around the "-M" switch;
	    using "-oformatname" just looks for a loadable class by adding
	    that format name (with different capitalizations) to the end of
	    different classname prefixes.

	    For example, "-oLaTeX" currently tries all of the following
	    classes: Pod::Perldoc::ToLaTeX Pod::Perldoc::Tolatex
	    Pod::Perldoc::ToLatex Pod::Perldoc::ToLATEX Pod::Simple::LaTeX
	    Pod::Simple::latex Pod::Simple::Latex Pod::Simple::LATEX
	    Pod::LaTeX Pod::latex Pod::Latex Pod::LATEX.

       -M module-name
	    This specifies the module that you want to try using for
	    formatting the pod.	 The class must at least provide a
	    "parse_from_file" method.  For example: "perldoc

	    You can specify several classes to try by joining them with commas
	    or semicolons, as in "-MTk::SuperPod;Tk::Pod".

       -w option:value or -w option
	    This specifies an option to call the formatter with.  For example,
	    "-w textsize:15" will call "$formatter->textsize(15)" on the
	    formatter object before it is used to format the object.  For this
	    to be valid, the formatter class must provide such a method, and
	    the value you pass should be valid.	 (So if "textsize" expects an
	    integer, and you do "-w textsize:big", expect trouble.)

	    You can use "-w optionname" (without a value) as shorthand for "-w
	    optionname:TRUE".  This is presumably useful in cases of on/off
	    features like: "-w page_numbering".

	    You can use a "=" instead of the ":", as in: "-w textsize=15".
	    This might be more (or less) convenient, depending on what shell
	    you use.

       -X   Use an index if it is present -- the -X option looks for an entry
	    whose basename matches the name given on the command line in the
	    file "$Config{archlib}/pod.idx". The pod.idx file should contain
	    fully qualified filenames, one per line.

       -L language_code
	    This allows to specify the language code for desired language
	    translation.  If "POD2::<language_code>" package doesn't exist (or
	    isn't installed in your system), the switch will be ignored.  All
	    available translation packages should be found under the "POD2::"
	    namespace. See POD2::IT (or POD2::FR) in order to see how to
	    create and integrate new localized "POD2::*" pod documentation
	    packages in Pod::Perldoc.

	    The item you want to look up.  Nested modules (such as
	    "File::Basename") are specified either as "File::Basename" or
	    "File/Basename".  You may also give a descriptive name of a page,
	    such as "perlfunc".

       -n some-formatter
	    Specify replacement for nroff

       -r   Recursive search.

       -i   Ignore case.

       -V   Displays the version of perldoc you're running.

       Because perldoc does not run properly tainted, and is known to have
       security issues, when run as the superuser it will attempt to drop
       privileges by setting the effective and real IDs to nobody's or
       nouser's account, or -2 if unavailable.	If it cannot relinquish its
       privileges, it will not run.

       Any switches in the "PERLDOC" environment variable will be used before
       the command line arguments.

       Useful values for "PERLDOC" include "-oman", "-otext", "-otk", "-ortf",
       "-oxml", and so on, depending on what modules you have on hand; or
       exactly specify the formatter class with "-MPod::Perldoc::ToMan" or the

       "perldoc" also searches directories specified by the "PERL5LIB" (or
       "PERLLIB" if "PERL5LIB" is not defined) and "PATH" environment
       variables.  (The latter is so that embedded pods for executables, such
       as "perldoc" itself, are available.)

       "perldoc" will use, in order of preference, the pager defined in
       "PERLDOC_PAGER", "MANPAGER", or "PAGER" before trying to find a pager
       on its own. ("MANPAGER" is not used if "perldoc" was told to display
       plain text or unformatted pod.)

       One useful value for "PERLDOC_PAGER" is "less -+C -E".

       Having PERLDOCDEBUG set to a positive integer will make perldoc emit
       even more descriptive output than the "-v" switch does -- the higher
       the number, the more it emits.

       perlpod, Pod::Perldoc

       Current maintainer: Sean M. Burke, <>

       Past contributors are: Kenneth Albanowski <>, Andy
       Dougherty  <>, and many others.

perl v5.10.1			  2009-04-18			    PERLDOC(1)

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