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

       perldoc - Look up Perl documentation in Pod format.

           perldoc [-h] [-D] [-t] [-u] [-m] [-l] [-F]
               [-i] [-V] [-T] [-r]
               [-d destination_file]
               [-o formatname]
               [-M FormatterClassName]
               [-w formatteroption:value]
               [-n nroff-replacement]
               [-L language_code]


           perldoc -f BuiltinFunction

           perldoc -L it -f BuiltinFunction

           perldoc -q FAQ Keyword

           perldoc -L fr -q FAQ Keyword

           perldoc -v PerlVariable

           perldoc -a PerlAPI

       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 "groff -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.

       -D   Describes search for the item in detail.

       -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.


                 perldoc -q shuffle

       -a perlapifunc
            The -a option followed by the name of a perl api function will
            extract the documentation of this function from perlapi.


                 perldoc -a newHV

       -v perlvar
            The -v option followed by the name of a Perl predefined variable
            will extract the documentation of this variable from perlvar.


                 perldoc -v '$"'
                 perldoc -v @+
                 perldoc -v DATA

       -T   This specifies that the output is not to be sent to a pager, but
            is to be sent directly 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 an "=" 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 one to specify the language code for the desired
            language translation. If the "POD2::<language_code>" package isn't
            installed in your system, the switch is ignored.  All available
            translation packages are to be found under the "POD2::" namespace.
            See POD2::IT (or POD2::FR) to see how to create new localized
            "POD2::*" documentation packages and integrate them into

            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".  For URLs, HTTP and HTTPS are the only kind
            currently supported.

            For simple names like 'foo', when the normal search fails to find
            a matching page, a search with the "perl" prefix is tried as well.
            So "perldoc intro" is enough to find/render "perlintro.pod".

       -n some-formatter
            Specify replacement for groff

       -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 "-oterm", "-otext", "-ortf",
       "-oxml", and so on, depending on what modules you have on hand; or the
       formatter class may be specified exactly with "-MPod::Perldoc::ToTerm"
       or the like.

       "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.)

       In directories where either "Makefile.PL" or "Build.PL" exist,
       "perldoc" will add "." and "lib" first to its search path, and as long
       as you're not the superuser will add "blib" too.  This is really
       helpful if you're working inside of a build directory and want to read
       through the docs even if you have a version of a module previously

       "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.)

       When using perldoc in it's "-m" mode (display module source code),
       "perldoc" will attempt to use the pager set in "PERLDOC_SRC_PAGER".  A
       useful setting for this command is your favorite editor as in
       "/usr/bin/nano". (Don't judge me.)

       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 "-D" switch does; the higher the
       number, the more it emits.

       Up to 3.14_05, the switch -v was used to produce verbose messages of
       perldoc operation, which is now enabled by -D.

       perlpod, Pod::Perldoc

       Current maintainer: Mark Allen "<>"

       Past contributors are: brian d foy "<>" Adriano R.
       Ferreira "<>", Sean M. Burke "<>",
       Kenneth Albanowski "<>", Andy Dougherty
       "<>", and many others.

perl v5.20.2                      2014-12-27                        PERLDOC(1)

Czas wygenerowania: 0.00054 sek.

Created with the man page lookup class by Andrew Collington.
Based on a C man page viewer by Vadim Pavlov
Unicode soft-hyphen fix (as used by RedHat) by Dan Edwards
Some optimisations by Eli Argon
Caching idea and code contribution by James Richardson

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