Read file and pass to stdin
Read file and pass to stdin

This prvents possible injection attacks if the path were to be
compromised.

radiasoft/sirepo,mkeilman/sirepo,radiasoft/sirepo,mkeilman/sirepo,mkeilman/sirepo,radiasoft/sirepo,radiasoft/sirepo,mkeilman/sirepo,radiasoft/sirepo