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C:\test>perl -e" system 'start /b c:/perl64/bin/perl.exe -E\"$^|=1; sa +y ++$i while sleep 1\"'; sleep 1000" 1 ... 5 Terminating on signal SIGINT(2) Terminating on signal SIGINT(2)
C:\test>perl -e" system 'start /min c:/perl64/bin/perl.exe -E\"$^|=1; +say ++$i while sleep 1\"'; sleep 1000" Terminating on signal SIGINT(2)