Format file.lua

file.lua

@@ -1,38 +1,34 @@
 function read(filename)
-    local file=io.open(filename,"r")
+	local file = io.open(filename, "r")
-    if file==nil then
+	if file == nil then return nil end
-        return nil
+	local content = file:read"*a"
-    end
-    local content=file:read("*a")
 	file:close()
 	return content
 end
+
 function write(filename, new_content)
-    local file=io.open(filename,"w")
+	local file = io.open(filename, "w")
-    if file==nil then
+	if file == nil then return false end
-        return false
-    end
 	file:write(new_content)
 	file:close()
 	return true
 end
+
 function append(filename, new_content)
-    local file=io.open(filename,"a")
+	local file = io.open(filename, "a")
-    if file==nil then
+	if file == nil then return false end
-        return false
-    end
 	file:write(new_content)
 	file:close()
 	return true
 end
+
 function exists(filename)
-    local file=io.open(filename, "r")
+	local file = io.open(filename, "r")
-    if file==nil then
+	if file == nil then return false end
-        return false
-    end
 	file:close()
 	return true
 end
+
 function create_if_not_exists(filename, content)
 	if not exists(filename) then
 		write(filename, content or "")
@@ -40,53 +36,61 @@ function create_if_not_exists(filename, content)
 	end
 	return false
 end
-function create_if_not_exists_from_file(filename, src_filename)
+
-    return create_if_not_exists(filename, read(src_filename))
+function create_if_not_exists_from_file(filename, src_filename) return create_if_not_exists(filename, read(src_filename)) end
-end
 
 -- Process Bridge Helpers
-process_bridges={}
+process_bridges = {}
 
 function process_bridge_build(name, input, output, logs)
 	if not input or not output or not logs then
-        minetest.mkdir(minetest.get_worldpath().."/bridges/"..name)
+		minetest.mkdir(minetest.get_worldpath() .. "/bridges/" .. name)
 	end
-    input=input or minetest.get_worldpath().."/bridges/"..name.."/input.txt"
+	input = input or minetest.get_worldpath() .. "/bridges/" .. name .. "/input.txt"
-    output=output or minetest.get_worldpath().."/bridges/"..name.."/output.txt"
+	output = output or minetest.get_worldpath() .. "/bridges/" .. name .. "/output.txt"
-    logs=logs or minetest.get_worldpath().."/bridges/"..name.."/logs.txt"
+	logs = logs or minetest.get_worldpath() .. "/bridges/" .. name .. "/logs.txt"
 	-- Clear input
 	write(input, "")
 	-- Clear output
 	write(output, "")
 	-- Create logs if not exists
 	create_if_not_exists(logs, "")
-    process_bridges[name]={input=input, output=output, logs=logs, output_file=io.open(output,"a")}
+	process_bridges[name] = {
+		input = input,
+		output = output,
+		logs = logs,
+		output_file = io.open(output, "a")
+	}
 end
+
 function process_bridge_listen(name, line_consumer, step)
-    local bridge=process_bridges[name]
+	local bridge = process_bridges[name]
 	modlib.minetest.register_globalstep(step or 0.1, function(dtime)
-        local content=io.open(bridge.input, "r")
+		local content = io.open(bridge.input, "r")
-        local line=content:read()
+		local line = content:read()
 		while line do
 			line_consumer(line)
-            line=content:read()
+			line = content:read()
 		end
 		write(bridge.input, "")
 	end)
 end
+
 function process_bridge_serve(name, step)
-    local bridge=process_bridges[name]
+	local bridge = process_bridges[name]
 	modlib.minetest.register_globalstep(step or 0.1, function(dtime)
 		bridge.output_file:close()
-        process_bridges[name].output_file=io.open(bridge.output,"a")
+		process_bridges[name].output_file = io.open(bridge.output, "a")
 	end)
 end
+
 function process_bridge_write(name, message)
-    local bridge=process_bridges[name]
+	local bridge = process_bridges[name]
-    bridge.output_file:write(message.."\n")
+	bridge.output_file:write(message .. "\n")
-    --append(bridge.input, message)
+	-- append(bridge.input, message)
 end
+
 function process_bridge_start(name, command, os_execute)
-    local bridge=process_bridges[name]
+	local bridge = process_bridges[name]
 	os_execute(string.format(command, bridge.output, bridge.input, bridge.logs))
 end