Merge branch 'tmj-dev'

utilities.cpp

@@ -321,3 +321,19 @@ last_modified( std::string const &Filename ) {
     else
 		return 0;
 }
+
+// potentially erases file extension from provided file name. returns: true if extension was removed, false otherwise
+bool
+erase_extension( std::string &Filename ) {
+
+    auto const extensionpos { Filename.rfind( '.' ) };
+
+    if( extensionpos == std::string::npos ) { return false; }
+
+    if( extensionpos != Filename.rfind( ".." ) + 1 ) {
+        // we can get extension for .mat or, in legacy files, some image format. just trim it and set it to material file extension
+        Filename.erase( extensionpos );
+        return true;
+    }
+    return false;
+}