PS D:\tmp> perl -E'$|=1;print qq($]\n);sleep 10' > tmp.log
Terminating on signal SIGINT(2)
PS D:\tmp> cat .\tmp.log
5.032001
PS D:\tmp> perl -E'$|=1;print qq($]);sleep 10' > tmp.log
Terminating on signal SIGINT(2)
PS D:\tmp> cat .\tmp.log
PS D:\tmp>