sed Expression 's/^.*EngineLog ERROR://'
+1
A:
It matches anything that starts 0 or more characters then EngineLog ERROR: and then replaces it with nothing
Example all output the same: EngineLog ERROR:
:
1EngineLog ERROR:
1 EngineLog ERROR:
EngineLog ERROR:
Nix
2010-08-31 17:04:27