Add way to extract numbers from the csv file

src/FileHelper.cpp

@@ -0,0 +1,16 @@
+#include "../Include/FileHelper.h"
+#include <sys/stat.h>
+
+FileHelper::FileHelper() {};
+FileHelper::~FileHelper() {};
+
+bool FileHelper::FileExists(char *path){
+    struct stat s;
+    
+    // Check if file exists, and if it isn't a folder.
+    if (stat(path, &s) == 0 && !(s.st_mode & S_IFDIR)){
+        return true;
+    }
+    
+    return false;
+}