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Re: Simple string padding function in Postscript

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On Saturday, 14 July 2012 07:19:24 UTC+12, Helge Blischke  wrote:
> Daniel Taylor wrote:
> 
> > I want to write a simple function to convert and integer into a string 6
> > characters in length, padding with zeros as necessary. The function add
> > the necessary zeros to the front of the string to make the overall length
> > 6. Ideally I could pass the function the integer, and the length I want
> > the string to be.
> > 
> > For example, if I input '1' I want the function to return '000001'
> > 
> > or if input '123' I want the function to return '000123'.
> > 
> > I've only recently started learning Postscript programming and this is one
> > application I haven't been able to solve.
> 
> A fairly simple solution (without algorithmic arithmetic) is by the 
> following procedure:
> 
> /bindec         % <integer> bindec <string_of_length_6>
> {
>         1000000 add 7 string cvs 1 6 getinterval
> }bind def
> 
> 
> Helge

That's a fantastic help thank you. Very simple and very easy for me to get my head around.

Regards

Daniel

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Simple string padding function in Postscript Daniel Taylor <daniel.taylor@nzpost.co.nz> - 2012-07-13 04:03 -0700
  Re: Simple string padding function in Postscript tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2012-07-13 14:42 -0400
  Re: Simple string padding function in Postscript Helge Blischke <h.blischke@acm.org> - 2012-07-13 21:19 +0200
    Re: Simple string padding function in Postscript Daniel Taylor <daniel.taylor@nzpost.co.nz> - 2012-07-13 14:37 -0700
    Re: Simple string padding function in Postscript tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2012-07-13 23:20 -0400

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