vicious/fs.lua

60 lines
2.0 KiB
Lua

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-- Licensed under the GNU General Public License version 2
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
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-- {{{ Grab environment
local type = type
local io = { popen = io.popen }
local setmetatable = setmetatable
local helpers = require("vicious.helpers")
-- }}}
-- FS: provides usage statistics for requested mount points
module("vicious.fs")
-- {{{ Filesystem widget type
function worker(format, padding)
-- Get data from df
local f = io.popen("df -hP")
local args = {}
-- Format data
for line in f:lines() do
if not line:match("^Filesystem.*") then
-- Format helper can't deal with matrices, so don't setup a
-- table for each mount point with gmatch
local size, used, avail, usep, mount =
-- Instead match all at once, including network file systems
line:match("^[%w/-:%.]+[%s]+([%d%.]+)[%a]?[%s]+([%d%.]+)[%a]?[%s]+([%d%.]+)[%a]?[%s]+([%d]+)%%[%s]+([-/%w]+)$")
if padding then
if type(padding) == "table" then
size = helpers.padd(size, padding[1])
used = helpers.padd(used, padding[2])
avail = helpers.padd(avail, padding[3])
usep = helpers.padd(usep, padding[4])
else
size = helpers.padd(size, padding)
used = helpers.padd(used, padding)
avail = helpers.padd(avail, padding)
usep = helpers.padd(usep, padding)
end
end
args["{"..mount.." size}"] = size
args["{"..mount.." used}"] = used
args["{"..mount.." avail}"] = avail
args["{"..mount.." usep}"] = usep
end
end
f:close()
return args
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })