On Sun, Sep 27, 2009 at 10:58 PM, Rob Biedenharn <[email protected]> wrote: > > On Sep 27, 2009, at 2:26 PM, Rajinder Yadav wrote: >> Craig White wrote: >>> On Mon, 2009-09-28 at 01:52 +0800, Mohit Sindhwani wrote: >>>> Craig White wrote: >>>>> On Sun, 2009-09-27 at 19:26 +0200, Michael .. wrote: >>>>> >>>>>> hi. >>>>>> >>>>>> I want to format a Integer value to a hour with a preceding zero. >>>>>> (two >>>>>> digits) >>>>>> eg. 8 => 08 >>>>>> >>>>>> Exists a Ruby or Rails function for that? >>>>>> >>>>> ---- >>>>> you can easily create your own function and put it into >>>>> application.rb >>>>> or the helper >>>>> >>>>> myvar < 10 ? "0" + myvar.to_s : myvar.to_s >>>>> >>>>> it must be a string to retain the leading zero >>>> or "%02d" % myvar >>> ---- >>> ok - you win >>> >>> Craig >> >> yes another way >> >> irb(main):024:0> val = 8 >> => 8 >> irb(main):025:0> str = sprintf( "%02d", val ) >> => "08" >> irb(main):026:0> p str >> "08" >> => nil >> >> -- >> Kind Regards, >> Rajinder Yadav >> >> http://DevMentor.org >> Do Good ~ Share Freely > > > This isn't another way, it's the exact same way. > > --------------------------------------------------------------- String#% > str % arg => new_str > ------------------------------------------------------------------------ > Format---Uses str as a format specification, and returns the > result of applying it to arg. If the format specification contains > more than one substitution, then arg must be an Array containing > the values to be substituted. See Kernel::sprintf for details of > the format string. > > "%05d" % 123 #=> "00123" > "%-5s: %08x" % [ "ID", self.id ] #=> "ID : 200e14d6" > > The String class just makes is a bit easier to type.
Rob you're right its the same thing, different syntax, me thinks my C++ style is showing ;) > > -Rob > > Rob Biedenharn http://agileconsultingllc.com > [email protected] > > > > > > > -- Kind Regards, Rajinder Yadav May the { source } be with you ! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
