echo %time%& grep 123456$ C:\Users\admin\Desktop\10-million-combos.txt | wc -l& echo %time%
echo %time%& type "C:\Users\admin\Desktop\10-million-combos.txt" | perl -ne "BEGIN{$n=0} $n++ if /123456$/; END{print $n}"& echo.&echo %time%
echo %time%& perl demo.pl& echo %time%