On Oct 31, 2008, at 4:52 PM, Jean-Nicolas Jolivet 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:@"%03d", 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?
I don't remember off-hand if this is supported by NSString, but printf
and friends supports ("%0*d", paddingZeros, 5).
That is, put an asterisk in place of the field width and then supply
it as an argument.
Cheers,
Ken
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