Added unit conversion for various lengths.

conv/length.lua

@@ -0,0 +1,111 @@
+local function cm2in(cm) return cm / 2.54 end
+local function in2cm(inch) return inch * 2.54 end
+
+local function m2ft(m) return cm2in(m * 100) / 12 end
+local function ft2m(ft) return in2cm(ft * 12) / 100 end
+
+local function km2mi(km) return m2ft(km * 1000) / 5280 end
+local function mi2km(mi) return ft2m(mi * 5280) / 1000 end
+
+local function pretty2ugly(pretty)
+    local feet, inches = string.match(pretty, "([%d%.]+)%'([%d%.]+)%\"")
+    if feet == nil then
+        feet = string.match(pretty, "([%d%.]+)%'")
+        inches = 0
+    end
+    
+    if feet == nil then
+        feet = 0
+        inches = string.match(pretty, "([%d%.]+)%\"")
+    end
+    
+    if inches == nil then return 0
+    else return (tonumber(feet) or 0) + ((tonumber(inches) or 0) / 12) end
+end
+
+local function ugly2pretty(ugly) 
+    ugly = tonumber(ugly) or 0
+    local feet, inches = math.modf(ugly)
+    inches = inches * 12
+    return (feet > 0 and feet .. "'" or "") 
+        .. (inches > 0 and string.format("%.4g", inches) .. "\"" or "") 
+end
+
+local function convertLength(args, func, str, prettyin, prettyout)
+    prettyin = prettyin or false
+    prettyout = prettyout or false
+    
+    if #args.args < 2 then 
+        args.send("[i]No length argument specified.[/i]")
+        return
+    end
+    
+    local length = args.args[2]
+    if prettyin and tonumber(length) == nil then
+        length = pretty2ugly(length)
+    end
+    
+    if tonumber(length) == nil then 
+        args.send("[i]Length argument is invalid.[/i]")
+        return
+    end
+    
+    out = func(length)
+
+    if prettyin then
+        length = ugly2pretty(length)
+    end
+    if prettyout then
+        out = ugly2pretty(out)
+    end
+    
+    args.send(string.format(str, length, out))
+end
+
+kmj.commands.register({
+    name = "in2cm",
+    summary = "Converts inches to centimeters.",
+    dispatch = function(args)
+        convertLength(args, in2cm, '[b]%g"[/b] = [b]%g cm[/b]')
+    end
+})
+
+kmj.commands.register({
+    name = "cm2in",
+    summary = "Converts centimeters to inches.",
+    dispatch = function(args)
+        convertLength(args, cm2in, '[b]%g cm[/b] = [b]%g"[/b]')
+    end
+})
+
+kmj.commands.register({
+    name = "ft2m",
+    summary = "Converts feet-inches to meters.",
+    dispatch = function(args)
+        convertLength(args, ft2m, '[b]%s[/b] = [b]%g m[/b]', true, false)
+    end
+})
+
+kmj.commands.register({
+    name = "m2ft",
+    summary = "Converts meters to feet-inches.",
+    dispatch = function(args)
+        convertLength(args, m2ft, '[b]%g m[/b] = [b]%s[/b]', false, true)
+    end
+})
+
+kmj.commands.register({
+    name = "mi2km",
+    summary = "Converts miles to kilometers.",
+    dispatch = function(args)
+        convertLength(args, mi2km, '[b]%g mi[/b] = [b]%g km[/b]')
+    end
+})
+
+kmj.commands.register({
+    name = "km2mi",
+    summary = "Converts kilometers to miles.",
+    dispatch = function(args)
+        convertLength(args, km2mi, '[b]%g km[/b] = [b]%g mi[/b]')
+    end
+})

conv/sense.toml

@@ -1,6 +1,10 @@
-version = "1.0.0"
+version = "1.1.0"
 description = "Converts between formats."
-authors = ["flashwave <me@flash.moe>"]
+authors = [
+    "flashwave <me@flash.moe>",
+    "reemo"
+]
 sources = [
+    "length.lua",
     "temp.lua"
 ]