According to Perl Cookbook, Perl interpolates the floating-point numbers in stings using the "%.15g" format; and 
$str1 = 0.00;
print "str1 $str1\n";

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is equal to 
printf "str1 %.15g\n", 0.00;

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and prints the same 
str1 0

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. Updated to look cleaner.

In reply to Re: Integer vs Float during addition by Ieronim
in thread Integer vs Float during addition by chrism01

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