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----------------------------------------------------------
-- Licensed under the GNU General Public License version 2
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
-- * Derived from Maildir Biff Widget, by Fredrik Ax
----------------------------------------------------------
-- {{{ Grab environment
local io = { popen = io.popen }
local setmetatable = setmetatable
-- }}}
-- Mdir: provides a number of new and unread messages in a Maildir structure
module("vicious.mdir")
-- {{{ Maildir widget type
function worker(format, mdir)
-- Like with the mbox count widget, we would benefit from the
-- LuaFileSystem library. However, we didn't rely on extra
-- libraries to this point so we won't start now. Widgets like
-- this one are not agressive like CPU or NET, so we can keep it
-- simple, find is OK with me if we execute every >60s
--
-- Initialise counters
local newcount = 0
local curcount = 0
-- Recursively find new messages
local fnew = io.popen("find " .. mdir .. " -type f -wholename '*/new/*'")
for line in fnew:lines() do
newcount = newcount + 1
end
fnew:close()
-- Recursively find "old" messages lacking the Seen flag
local fcur = io.popen("find " .. mdir .. " -type f -regex '.*/cur/.*2,[^S]*$'")
for line in fcur:lines() do
curcount = curcount + 1
end
fcur:close()
return {newcount, curcount}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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