Your start version seems to work for me? 

[0] Perl> system q[cmd /c del errors output];;
[0] Perl> system q[start /b perl -le"print for 1..10; die 'An error';"
+ 2>errors 1>output];;
[0] Perl> system q[cmd /c type errors output];;

errors


An error at -e line 1.

output


1
2
3
4
5
6
7
8
9
10

[download]
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: Async execution in Win32 by BrowserUk
in thread Async execution in Win32 by herby1620

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