aux platform

extract/process.go

@@ -0,0 +1,15 @@
+package extract
+
+import (
+	"os"
+)
+
+type Extractor struct {
+	params *Params
+}
+
+func NewExtractor(params *Params) *Extractor {
+	os.MkdirAll(params.OutputPath, 0755)
+	os.MkdirAll(params.TempPath, 0755)
+	return &Extractor{params: params}
+}