mirror of
https://github.com/Llewellynvdm/conky.git
synced 2024-06-02 07:20:47 +00:00
194 lines
4.1 KiB
Lua
194 lines
4.1 KiB
Lua
-------------------------------------------------------------------
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-- Real globals
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-- _ALERT
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-- _ERRORMESSAGE
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-- _VERSION
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-- _G
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-- assert
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-- error
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-- metatable
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-- next
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-- print
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-- require
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-- tonumber
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-- tostring
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-- type
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-- unpack
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-------------------------------------------------------------------
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-- collectgarbage
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-- gcinfo
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-- globals
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-- call -> protect(f, err)
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-- loadfile
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-- loadstring
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-- rawget
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-- rawset
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-- getargs = Main.getargs ??
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rawtype = type
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function do_ (f, err)
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if not f then print(err); return end
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local a,b = pcall(f)
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if not a then print(b); return nil
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else return b or true
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end
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end
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function dostring(s) return do_(load(s)) end
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-- function dofile(s) return do_(loadfile(s)) end
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-------------------------------------------------------------------
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-- Table library
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local tab = table
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getn = function (tab) return #tab end
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tinsert = tab.insert
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tremove = tab.remove
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sort = tab.sort
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-------------------------------------------------------------------
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-- Debug library
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local dbg = debug
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getinfo = dbg.getinfo
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getlocal = dbg.getlocal
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setcallhook = function () error"`setcallhook' is deprecated" end
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setlinehook = function () error"`setlinehook' is deprecated" end
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setlocal = dbg.setlocal
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-------------------------------------------------------------------
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-- math library
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local math = math
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abs = math.abs
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acos = function (x) return math.deg(math.acos(x)) end
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asin = function (x) return math.deg(math.asin(x)) end
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atan = function (x) return math.deg(math.atan(x)) end
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atan2 = function (x,y) return math.deg(math.atan2(x,y)) end
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ceil = math.ceil
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cos = function (x) return math.cos(math.rad(x)) end
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deg = math.deg
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exp = math.exp
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floor = math.floor
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frexp = math.frexp
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ldexp = math.ldexp
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log = math.log
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log10 = function(val) return math.log(10, val) end
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max = math.max
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min = math.min
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mod = math.mod
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PI = math.pi
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--??? pow = math.pow
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rad = math.rad
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random = math.random
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randomseed = math.randomseed
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sin = function (x) return math.sin(math.rad(x)) end
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sqrt = math.sqrt
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tan = function (x) return math.tan(math.rad(x)) end
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-------------------------------------------------------------------
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-- string library
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local str = string
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strbyte = str.byte
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strchar = str.char
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strfind = str.find
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format = str.format
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gsub = str.gsub
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strlen = str.len
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strlower = str.lower
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strrep = str.rep
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strsub = str.sub
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strupper = str.upper
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-------------------------------------------------------------------
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-- os library
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clock = os.clock
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date = os.date
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difftime = os.difftime
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execute = os.execute --?
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exit = os.exit
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getenv = os.getenv
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remove = os.remove
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rename = os.rename
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setlocale = os.setlocale
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time = os.time
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tmpname = os.tmpname
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-------------------------------------------------------------------
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-- compatibility only
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getglobal = function (n) return _G[n] end
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setglobal = function (n,v) _G[n] = v end
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-------------------------------------------------------------------
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local io, tab = io, table
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-- IO library (files)
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_STDIN = io.stdin
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_STDERR = io.stderr
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_STDOUT = io.stdout
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_INPUT = io.stdin
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_OUTPUT = io.stdout
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seek = io.stdin.seek -- sick ;-)
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tmpfile = io.tmpfile
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closefile = io.close
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openfile = io.open
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function flush (f)
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if f then f:flush()
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else _OUTPUT:flush()
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end
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end
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function readfrom (name)
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if name == nil then
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local f, err, cod = io.close(_INPUT)
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_INPUT = io.stdin
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return f, err, cod
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else
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local f, err, cod = io.open(name, "r")
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_INPUT = f or _INPUT
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return f, err, cod
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end
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end
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function writeto (name)
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if name == nil then
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local f, err, cod = io.close(_OUTPUT)
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_OUTPUT = io.stdout
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return f, err, cod
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else
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local f, err, cod = io.open(name, "w")
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_OUTPUT = f or _OUTPUT
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return f, err, cod
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end
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end
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function appendto (name)
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local f, err, cod = io.open(name, "a")
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_OUTPUT = f or _OUTPUT
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return f, err, cod
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end
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function read (...)
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local f = _INPUT
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local arg = {...}
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if rawtype(arg[1]) == 'userdata' then
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f = tab.remove(arg, 1)
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end
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return f:read(table.unpack(arg))
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end
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function write (...)
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local f = _OUTPUT
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local arg = {...}
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if rawtype(arg[1]) == 'userdata' then
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f = tab.remove(arg, 1)
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end
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return f:write(table.unpack(arg))
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end
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