51 lines
1.5 KiB
Lua
51 lines
1.5 KiB
Lua
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---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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---------------------------------------------------
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-- * (c) 2010, Jörg. T <jthalheim@mail.com>
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-- {{{ Grab environment
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local pairs = pairs
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-- }}}
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-- Sum up: provides a number of files in several directories
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-- @warg.paths a table with the paths which should be checked
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-- @warg.pattern a global regex to match files (Default: match all)
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-- use posix-egrep style instead of the default (less familar) emacs regex
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-- Be carefull with directories, who contains a mass of files.
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-- "find" is usally fast, but will also produce delays, if the inodes get to big.
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-- So if you want to count your music library, you may want to use locate/updatedb instead.
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module("vicious.widgets.sumup")
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-- {{{ Sum up widget type
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local function worker(format, warg)
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if not warg then return end
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-- Initialise counter table
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local store = {}
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-- Match by default all files
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warg.pattern = warg.pattern or ".*"
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for key, value in pairs(warg.paths) do
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local f = io.popen("find '"..value.."'"..
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" -type f -regextype posix-egrep"..
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" -regex '"..warg.pattern.."'")
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local lines = 0
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for line in f:lines() do
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lines = lines + 1
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end
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store[key] = lines
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f:close()
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end
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return store
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end
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-- }}}
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setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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