More lua style cleanup.

flowerfetch.lua

@@ -9,7 +9,7 @@ print("\27[H\27[2J\27[3J")
 
 -- Print out flower from text file
 local flower = io.open(lua_dir .. "flower.txt", "r")
-if (flower ~= nil) then
+if flower then
    print(flower:read("*a"))
    flower:close()
 else
@@ -20,7 +20,7 @@ end
 local get_file = function(location, permissions, split_str)
    local table = {}
    local got_file = io.open(location, permissions)
-   if (got_file ~= nil) then
+   if got_file then
       for line in got_file:lines() do
          for line_id, line_val in line:gmatch(split_str) do
             table[line_id] = line_val
@@ -33,12 +33,10 @@ end
 
 local get_line = function(location)
    local item = io.open(location, 'r')
-   if (item ~= nil) then
+   if item then
       local str = item:read('*l')
       item:close()
       return str
-   else
-      return ""
    end
 end
 
@@ -53,21 +51,21 @@ for filename in lfs.dir("/sys/class/power_supply") do
 end
 
 -- Get wifi link quality
-local winit = {}
+local w_initial = {}
 local wifi_string = ""
 local wifi = io.open('/proc/net/wireless', 'r')
-if (wifi ~= nil) then
+if wifi then
    for line in wifi:lines() do
-      table.insert(winit, line)
+      table.insert(w_initial, line)
    end
 
    -- what the fuck is lua regex.
    local wifi_regex = "%s(.*):.*%s(%d+)%."
 
    -- Assemble wifi into printable set of strings.
-   for item = 1, #winit - 2 do
-      for wif, wqual in winit[item + 2]:gmatch(wifi_regex) do
-         wifi_string = wifi_string .. string.format("[ %s %s%% ] ", wif, wqual)
+   for item = 1, #w_initial - 2 do
+      for w_if, w_qual in w_initial[item + 2]:gmatch(wifi_regex) do
+         wifi_string = wifi_string .. string.format("[ %s %s%% ] ", w_if, w_qual)
       end
    end
    wifi:close()