-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom Phoenix Sent: Saturday, July 15, 2006 3:22 PM To: Ralph H. Stoos Jr. Cc: beginners perl Subject: Re: Help with Stupid question
>> On 7/15/06, Ralph H. Stoos Jr. <[EMAIL PROTECTED]> wrote: >> >> I want to know if / how the $buf/25400 part can >> be formatted to be a number with only two or three decimal places. > In Perl, that kind of formatting is generally done with printf or its > related function sprintf. Where sprintf is a function which returns a > formatted string, printf goes a step further and prints the string. > They're documented in perlfunc, but this example may be all you need: > > my $result = sprintf "%.3f", $buf/25400; > Just one caveat here: as I understand it, sprintf() will not round the decimal, it will just truncate it, so if you need to round up or down the number, I would suggest looking through the math modules. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
