Stuart Clark wrote:
> 
> Hi,

Hello,

> How do I distinguish between positive and negative values.

$ perl -e'
for $value ( -15.32, 243.56, -2.45 ) {
    if ( abs $value == $value ) {
        print "$value has a positive value.\n";
        }
    else {
        print "$value has a negative value.\n";
        }
    }
'
-15.32 has a negative value.
243.56 has a positive value.
-2.45 has a negative value.



John
-- 
use Perl;
program
fulfillment

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