Check for unparsed command line args.

[lightning.git] / plot.go

diff --git a/plot.go b/plot.go
index 98b7eece27ae48e5c15166ddae70c662f6c7cf3c..6deaff6fc7d01057b0b4cfd1c49537cbacc7edb0 100644 (file)
--- a/plot.go
+++ b/plot.go
@@ -47,6 +47,9 @@ func (cmd *pythonPlot) RunCommand(prog string, args []string, stdin io.Reader, s
                return 0
        } else if err != nil {
                return 2
+       } else if flags.NArg() > 0 {
+               err = fmt.Errorf("errant command line arguments after parsed flags: %v", flags.Args())
+               return 2
        }
 
        runner := arvadosContainerRunner{