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Re: How to zero-pad hex values in sprintf()?

by blue_cowdawg (Monsignor)
on Jan 18, 2013 at 21:11 UTC ( #1014131=note: print w/replies, xml ) Need Help??


in reply to How to zero-pad hex values in sprintf()?

      am I crazy or do printf() and sprintf() have no way to return, say, 0F instead of just F?

I'm not a psychiatrist and never played one on TV so I can't judge if you're crazy or not. But check out this sniglet of code.

$ perl -e 'printf "%0.4x\n",128;' 0080


Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg

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[GotToBTru]: oh I know what it is .. but it is a number only slightly useful to me and of no possible use to our customer
[MidLifeXis]: Whew - you just saved the free world. <o)
[GotToBTru]: i guess it's a placeholder, the code will only fill it in if there is nothing else to use
[GotToBTru]: but then .. if you have nothing to say, why not say nothing?
[MidLifeXis]: I have a user who has a lot of say on how some of our processes work that abhors significant blanks. Perhaps that is a part of it. A not-so-obvious "this space intentionally left blank" indicator.
[MidLifeXis]: On the back end, however, that doesn't mean that i have to use that value to indicate "undefined", no matter how much he thinks I should.

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