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paf: Pod Abstract Filter. Transform Pod documents from the command line.
paf - Pod Abstract Filter. Transform Pod documents from the command
paf summary /usr/bin/paf
paf add_podcmds SomeModule.pm
paf sort -heading=METHODS Pod/Abstract/Node.pm # METHODS is default
paf sort summary Pod/Abstract/Node.pm
# See Pod::Abstract::Filter::overlay
paf overlay sort cut clear_podcmds SomeClass.pm
# -p will emit pod source, instead of spawning perldoc.
paf -p sort Pod::Abstract::Node
paf -p find hoist Pod::Abstract::Node
Paf is a small but powerful, modular Pod filter and transformation
tool. It allows full round-trip transformation of Pod documents using
the Pod::Abstract library, with multiple filter chains without having
to serialise/re-parse the document at each step.
Paf comes with a small set of useful filters, but can be extended by
simply writing new classes in the "Pod::Abstract::Filter" namespace.
Add explicit =pod commands at the end of each cut section, so that all
pod sections are started with an =pod command.
Remove all =pod commands that are not ending cut blocks. This will
clean up documents that have been reduced using the "cut" filter too.
Remove all cut nodes, so that only the pod remains.
paf overlay Source.pm
For overlay to work, there must be a "begin :overlay/end :overlay"
section in the Source file, with "=overlay SECTION Module" definitions
inside. The net effect is that any missing subheadings in SECTION are
added from the same section in the specified Modules.
Note that this will overlay the whole subheading, INCLUDING CUT NODES,
so it can add code to the source document. Use "cut" if you don't want
Each overlaid section will include a "=for overlay from" marker, so
that it can be replaced by a subsequent overlay from the same
file/module. These sections will be replaced in-place, so ordering of
sections once first overlaid will be preserved.
paf unoverlay Source.pm
Strips all sections marked as overlaid and matching the overlay spec
from the source.
paf sort [-heading=METHODS] Source.pm
Sort all of the subheadings in the named heading (METHODS if not
This will move cut nodes around with their headings, so your code will
mutate. Use "cut" if you only want pod in the output.
Alternatively, you can also cause sorting of headings to occur by
including "=for sorting" at the start of your section (before the first
Provide an abbreviated summary of the document. If there is a verbatim
node in the body of a heading containing the heading name, it will be
considered an example and expanded as part of the summary.
paf find [-f=]name Source.pm
Find specific sub-sections or list items mentioning name. Used to
restrict a larger document down to a smaller set that you're interested
in. If no -f is specified, then the word following find will be the
paf uncut Source.pm
Convert cut nodes in the source into verbatim text. Not the inverse of
paf number_sections Source.pm
Applies simple multipart (3.1.2) section numbering to head1 through
Note that number_sections will currently stuff up some of the
cleverness in things like summary, as the section names won't match
function names any more.