You need to replace: 
my @chwhs = (<STDIN>);

[download]
with: 
my $chwhs = <STDIN>;
chomp $chwhs;
my @chwhs = split /\s+/, $chwhs;

[download]
Same thing for the @cogs. You're reading a line from standard input and you need to tell perl that this line contain several space separated values.

In reply to Re: I'm trying to get a numeric array by Gangabass
in thread I'm trying to get a numeric array by fatmac

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