Prevent occasional errors caused by unwrapping nil

2017-02-05 18:47:31 -03:00
parent 59bfa0265f
commit 61a0843bb5
1 changed files with 4 additions and 2 deletions
@@ -89,7 +89,9 @@ class ReadCommand: OptionCommand {
            
            break
        }
-        
-        if (nil != handler) { print(handler!) } else { throw CLIError.error(("An incompatible combination was used, or no application is registered to handle \(self.contentType!)")) }
+        let arg: String
+        if (self.contentType != nil) { arg = self.contentType! }
+        else { arg = "<subtype>" }
+        if (nil != handler) { print(handler!) } else { throw CLIError.error(("An incompatible combination was used, or no application is registered to handle \(arg)")) }
    }
 }