Add UPX extraction method

src/extract-upx.rb

@@ -0,0 +1,26 @@
+require "cocaine"
+
+module VBiosFinder
+  class Extract
+    def self.upx file
+      begin
+        line = Cocaine::CommandLine.new("upx", "-d :file -o :outfile")
+        line.run(file: file, outfile: "upx-#{file}")
+      rescue Cocaine::ExitStatusError => e
+        puts e.message
+        return
+      end
+    end
+  end
+  class Test
+    def self.upx file
+      begin
+        line = Cocaine::CommandLine.new("upx", "-t :file")
+        line.run(file: file)
+        true
+      rescue Cocaine::ExitStatusError => e
+        false
+      end
+    end
+  end
+end