refactor

src/main.nim

@@ -1,31 +1,22 @@
 import strutils, os, procedures
 
-var operation: string
 var argument: string
 
 if paramCount() > 0:
     argument = toLowerAscii(paramStr(1))
 
-#? if command is "dot" or "cross" preform that operation
-if paramStr(0).endsWith("/dot") or paramStr(0) == "dot" or argument == "dot" or argument == "d":
-    operation = "dot"
-    dot()
+let args = [paramStr(0).splitPath.tail, paramStr(0), argument]
 
-elif paramStr(0).endsWith("/cross") or paramStr(0) == "cross" or argument == "cross" or argument == "c":
-    operation = "cross"
+if "dot" in args or "d" in args:
+    dot()
+elif "cross"  in args or "c" in args:
     cross()
 else:
     echo "Would you like to preform the dot or cross product?"
-    operation = toLowerAscii(readLine(stdin))
-    case operation:
-        of "dot":
+    case toLowerAscii(readLine(stdin)):
+        of "dot", "d":
             dot()
-        of "d":
-            dot()
-        of "cross":
-            cross()
-        of "c":
+        of "cross", "c":
             cross()
         else:
             quit "Invalid operation!", QuitFailure
-