52 lines
1.6 KiB
Lua
52 lines
1.6 KiB
Lua
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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-- * (c) 2009, Lucas de Vries <lucas@glacicle.com>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local string = { match = string.match }
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local helpers = require("vicious.helpers")
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-- }}}
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-- FS: provides file system disk space usage
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module("vicious.widgets.fs")
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-- Variable definitions
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local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
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-- {{{ Filesystem widget type
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local function worker(format, warg)
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-- Fallback to listing local filesystems
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if warg then warg = "" else warg = "-l" end
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local fs_info = {} -- Get data from df
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local f = io.popen("LC_ALL=C df -kP " .. warg)
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for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
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local s = string.match(line, "^.-[%s]([%d]+)")
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local u,a,p = string.match(line, "([%d]+)[%D]+([%d]+)[%D]+([%d]+)%%")
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local m = string.match(line, "%%[%s]([%p%w]+)")
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if u and m then -- Handle 1st line and broken regexp
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helpers.uformat(fs_info, m .. " size", s, unit)
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helpers.uformat(fs_info, m .. " used", u, unit)
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helpers.uformat(fs_info, m .. " avail", a, unit)
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fs_info["{" .. m .. " used_p}"] = tonumber(p)
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fs_info["{" .. m .. " avail_p}"] = 100 - tonumber(p)
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end
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end
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f:close()
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return fs_info
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end
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-- }}}
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setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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