> I have a variable:
> $NUM = '14.45905495';
> and I want to remove the trailing digits and only leave 2
> after the period
> so it ends up
>
> '14.45'
>
> I've tried to do this but it appears to return as an array
> and always prints
> out "1".
>
> #!perl -w
>
> $NUM = '14.45905495';
> @POST = ($NUM =~ /\d\.\d{2}/);
> print "new value is $POST[0]\n";
if you just want to print the string with the unwanted numbers truncated:
printf ("%.5s", $NUM)
or if you want to print a floating point that rounds:
printf ("%4.2f", $NUM);
or you could use perldoc -f :
sprintf
rindex
substring
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