Manipulates log files only if they exist.
Manipulates log files only if they exist.

tsunli/jicofo,jitsi/jicofo,martin7890/jicofo,mksh/jicofo,aaronkvanmeerten/jicofo,DBatOWL/jicofo-mirror,bhatvv/jicofo,tsunli/jicofo,jitsi/jicofo,Infywebrtcdev1/jicofo,martin7890/jicofo,jitsi/jicofo,bhatvv/jicofo,aaronkvanmeerten/jicofo,martin7890/jicofo,Infywebrtcdev1/jicofo,bhatvv/jicofo,aaronkvanmeerten/jicofo,Infywebrtcdev1/jicofo,mksh/jicofo,DBatOWL/jicofo-mirror,tsunli/jicofo,DBatOWL/jicofo-mirror,mksh/jicofo,jitsi/jicofo