CopyFile copy file.

EscapPath escape path.

FilterFileList function for filter file listpath : where the file will be filteredpat : regexp pattern to filter the matched file.

Init Build constructs a *Lager.Logger with the configured parameters.

LogRotate function for log rotate path: where log files need rollover MaxFileSize: MaxSize of a file before rotate.

constant values for logrotate parameters.

constant values for logrotate parameters.

constant values for logrotate parameters.

constant values for logrotate parameters.

Options is the struct for lager information(lager.yaml).