make sure file exists before using it
make sure file exists before using it

sergii-tkachenko/phoenix,mshmsh5000/dosomething-1,DoSomething/dosomething,deadlybutter/phoenix,mshmsh5000/dosomething-1,DoSomething/phoenix,deadlybutter/phoenix,mshmsh5000/dosomething-1,DoSomething/phoenix,sergii-tkachenko/phoenix,DoSomething/dosomething,sergii-tkachenko/phoenix,mshmsh5000/dosomething-1,mshmsh5000/dosomething-1,sergii-tkachenko/phoenix,deadlybutter/phoenix,DoSomething/dosomething,DoSomething/phoenix,sergii-tkachenko/phoenix,DoSomething/phoenix,DoSomething/dosomething,DoSomething/phoenix,deadlybutter/phoenix,DoSomething/dosomething,DoSomething/dosomething,deadlybutter/phoenix