OK, but just append a space before you split. 

my $env = "1 2 3 4 5".' ';

my %h = split //, $env;

[download]

Also, this assumes the poster meant:  key =>' ' and not key => '' when the they said "blank".

In reply to Re^3: splitting directly to hash by Cabrion
in thread splitting directly to hash by narashima

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