widgets: minor cleanup before a tag in cpuinf, fs, mbox...

widgets/cpuinf.lua

@@ -18,9 +18,8 @@ module("vicious.widgets.cpuinf")
 -- {{{ CPU Information widget type
 local function worker(format)
     local id = nil
-    local cpu_info = {}
 
-    -- Get CPU info
+    local cpu_info = {} -- Get CPU info
     for line in io.lines("/proc/cpuinfo") do
         for k, v in string.gmatch(line, "([%a%s]+)[%s]+:[%s]([%d]+).-$") do
             if k == "processor" then

widgets/fs.lua

@@ -25,9 +25,8 @@ local function worker(format, warg)
     -- Fallback to listing local filesystems
     if warg then warg = "" else warg = "-l" end
 
-    -- Get (non-localized)data from df
+    local fs_info = {} -- Get data from df
     local f = io.popen("LC_ALL=C df -kP " .. warg)
-    local fs_info = {}
 
     for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
         local s     = string.match(line, "^.-[%s]([%d]+)")

widgets/hddtemp.lua

@@ -20,9 +20,8 @@ local function worker(format, warg)
     -- Fallback to default hddtemp warg
     if warg == nil then warg = 7634 end
 
-    -- Get info from the hddtemp daemon
+    local hdd_temp = {} -- Get info from the hddtemp daemon
     local f = io.popen("curl --connect-timeout 1 -fsm 3 telnet://127.0.0.1:"..warg)
-    local hdd_temp = {}
 
     for line in f:lines() do
         for d, t in string.gmatch(line, "|([%/%a%d]+)|.-|([%d]+)|[CF]+|") do

widgets/mbox.lua

@@ -20,6 +20,9 @@ module("vicious.widgets.mbox")
 local function worker(format, warg)
     if not warg then return end
 
+    -- Default value
+    local subject = "N/A"
+
     -- mbox could be huge, get a 30kb chunk from EOF
     if type(warg) ~= "table" then mbox = warg end
     -- * attachment could be much bigger than 30kb
@@ -28,9 +31,6 @@ local function worker(format, warg)
     local txt = f:read("*all")
     f:close()
 
-    -- Default value
-    local subject = "N/A"
-
     -- Find all Subject lines
     for i in string.gfind(txt, "Subject: ([^\n]*)") do
        subject = i

widgets/uptime.lua

@@ -26,8 +26,7 @@ local function worker(format)
     local up_h = math.floor((up_t  % (3600 * 24)) / 3600)
     local up_m = math.floor(((up_t % (3600 * 24)) % 3600) / 60)
 
-    -- Get load averages
-    local l1, l5, l15 =  -- Get load averages for past 1, 5 and 15 minutes
+    local l1, l5, l15 = -- Get load averages for past 1, 5 and 15 minutes
       string.match(proc.loadavg, "([%d]*%.[%d]*)%s([%d]*%.[%d]*)%s([%d]*%.[%d]*)")
 
     return {up_d, up_h, up_m, l1, l5, l15}