in reply to Windows-specific: Limiting output of created files

And alternative would be to use a piped open to monitor the output and then you can kill the process when the limit is reached. (Note:command wrapped for posting): 

perl -E"
$pid = open IN, '-|', qq[perl -E\"say for 1 .. 100e6\"]; 
while(<IN>){ 
    $n+=length; 
    print; 
    kill(3,$pid),last if $n>1e5 
}" > output.file

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