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Re: Padding Zeros...
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Re: Padding Zeros...


  • Subject: Re: Padding Zeros...
  • From: "Shawn Erickson" <email@hidden>
  • Date: Fri, 31 Oct 2008 15:02:49 -0700

On Fri, Oct 31, 2008 at 2:52 PM, Jean-Nicolas Jolivet
<email@hidden> wrote:
> I'm having an interesting problem... I'm trying to format a number with
> padding zeros but I can't figure out how to do it in this particular
> situation.
>
> I know I can use a formatted string with something like
>  [stringWithFormat:@"d", 5], which would result in 005 but the problem in
> this particular case is that the number of padding zeros (3 in my example)
> is a variable defined by the user... (let's say it resides in an int
> variable named "int paddingZeros"....)
>
> Is there an easy way I can pad a number with a variable amount of zeros?

man printf >>> "A field width or precision may be `*' instead of a
digit string.  In this case an argument supplies the field width or
precision."

[NSString stringWithFormat:@"%0*d", 3, 5]

-Shawn
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References: 
 >Padding Zeros... (From: Jean-Nicolas Jolivet <email@hidden>)

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