-option "config" - "Config file" string no
-option "input" i "Input image filename" string yes
-option "output" o "Output image base filename" string yes
-option "verbose" v "Verbose" flag off
+option "config" - "Config file" string no
+option "input" i "Input image filename" string yes
+option "output" o "Output image base filename" string yes
+option "verbose" v "Verbose" flag off