65 lines
2.1 KiB
Lua
65 lines
2.1 KiB
Lua
-- contrib/countfiles_all.lua
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-- Copyright (C) 2017 Jörg Thalheim <joerg@higgsboson.tk>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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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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-- countfiles: 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 familiar) 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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-- vicious.contrib.countfiles
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local countfiles_all = {}
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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] = (store[key] or 0) + 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(countfiles_all, { __call = function(_, ...) return worker(...) end })
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