Iterate on the status of the stream after reading
Iterate on the status of the stream after reading

If getline fails, the input can't be trusted, so the loop should
continue based on whether it completes or not.

Kitware/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,Kitware/sprokit,mathstuf/sprokit,mathstuf/sprokit,Kitware/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,Kitware/sprokit