Update README.md

README.md

@@ -12,7 +12,7 @@ Class to create MD5 checksum from file or string
 int main(int argc,char** argv){
 
   char cstring[] = "To jest testowy string";
-	std::string str = "Bla, to jest test :)";
+  std::string str = "Bla, to jest test :)";
 
   /* MD5 from std::string */
   printf("md5sum: %s\n",  md5sum(  str ).c_str());
@@ -25,9 +25,17 @@ int main(int argc,char** argv){
   
   /* Short MD5 from c-string */
   printf("md5sum6: %s\n", md5sum6( cstring ).c_str());
+  
+  /* Short MD5 from std::string */
+  printf("md5sum6: %s\n", md5sum6( str ).c_str());
+  
+  /* MD5 from opened file */
+  std::FILE* file = std::fopen("README.md", "rb");
+  printf("md5file: %s\n", md5file(file).c_str());
+  std::fclose(file);
 
-	/* we're done */
-	return EXIT_SUCCESS;
+  /* we're done */
+  return EXIT_SUCCESS;
 }
 
 ```