前言
tail -lf W1E2B2_*
-f
If the input file is a regular file or if the File parameter specifies a FIFO (first-in-first-out), the tail command does not terminate after
the last specified unit of the input file has been copied, but continues to read and copy additional units from the input file as they become
available. If no File parameter is specified and standard input is a pipe, the -f flag is ignored. The tail -f command can be used to monitor
the growth o