Module:Subpages-helper

-- subpages = require('Module:Subpages).subpages -- for page in subpages('Page') do ... end

local _M = {}

function _M.subpages(page) page = string.gsub(page, '^%s*%[*%[%[(.-)%]%]%]*%s*$', function(l)       return string.gsub( l, '^([^|]*)|.*$', '%1', 1 )    end, 1 ) :gsub( '[%s_]+', ' ' ) :gsub( '/+', '/' ) :gsub( '^%s', '', 1 ) :gsub( '%s$', '', 1 ) :gsub( '/$', '', 1 ); if page == '' then page = tostring( mw.title.getCurrentTitle ); elseif mw.ustring.sub( page, 1, 1) == '/' then page = table.concat{ tostring( mw.title.getCurrentTitle ), page }; end local sub, prefix = mw.ustring.sub prefix, page = pcall(mw.title.new, page, 0) if prefix and page then prefix = string.len( page.text ) + 2 page = mw.ustring.gmatch(           mw.text.unstrip( mw:getCurrentFrame:preprocess('') ),           '(.-)'        ) else prefix = nil page = function return nil end end return function local pg = page return pg and sub(pg, prefix) or nil end end

return _M