You can try to call mkdir first, then check for the existence: 
my $error;
mkdir $path or $error = $!;
unless (-d $path) {
    die "Cannot create directory '$path': $error";
}

[download]

That should avoid race conditions in directory creation.

Perl 6 - second systems done right

In reply to Re: Directory creation in Perl using mkdir by moritz
in thread Directory creation in Perl using mkdir by sselva

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