clp@altos86.Altos.COM (Chuck L. Peterson) (10/25/90)
I use this to print out a number:
num 4 string cvs show
What do I have to change to do the equivilent of
printf("%8d",num) here?
Chuck L. Peterson
clp@altos.comglenn@heaven.woodside.ca.us (Glenn Reid) (10/25/90)
In article <4296@altos86.Altos.COM> clp@altos86.Altos.COM (Chuck L. Peterson) writes: >I use this to print out a number: > num 4 string cvs show > >What do I have to change to do the equivilent of >printf("%8d",num) here? Here's what I do. You can adapt this approach for variable notions of 8 or whatever. The basic idea is to have a string that is the right field length, fill it with padding (spaces or 0's), then use "putinterval" to put your string (from cvs) into the buffer, either flush-left or flush-right. The program below emulates "%8d" exactly (I think). %! /scratch 8 string def /buff 8 string def /padding (\040\040\040\040\040\040\040\040) def % (\040) is a space, but is easier to see and count :-) % note: padding could be (00000000) if you wanted leading 0's. % note: also, replace "dup length 8 exch sub" with "0" to make flush-left. % note: the space is not the same width as a '0' in a non-proportional font. /printf8 { buff 0 padding putinterval % put 8 spaces into buff (each time) scratch cvs % convert the number to a string 0%dup length 8 exch sub % compute its length, subtract from 8 exch buff 3 1 roll putinterval % put numstring into rightmost cols of buff buff show % buff is now (00000123) } bind def 100 100 moveto /Courier findfont 24 scalefont setfont 123 printf8 30 0 rmoveto 3465 printf8 showpage %%EOF (Glenn) cvn -- Glenn Reid RightBrain Software glenn@heaven.woodside.ca.us PostScript/NeXT developers ..{adobe,next}!heaven!glenn 415-851-1785
clp@altos86.Altos.COM (Chuck L. Peterson) (10/26/90)
Only after getting the %8d thing working did I realize that this is completely not what I want since my goal is to right-justify numbers. It turns out that %8d will only work with a constant-width font. I fixed my problem by doing right-justification at (x,y) with this: number 8 string cvs dup stringwidth pop x exch sub y moveto show Chuck L. Peterson clp@altos.com
glenn@heaven.woodside.ca.us (Glenn Reid) (10/27/90)
In article <4311@altos86.Altos.COM> clp@altos86.Altos.COM (Chuck L. Peterson) writes: >Only after getting the %8d thing working did I realize that >this is completely not what I want since my goal is >to right-justify numbers. It turns out that %8d will only >work with a constant-width font. Well, since I took the time to answer your original question, I feel entitled to point out that you probably should have asked the higher-order question about how to right-justify text (or at least included some notion of what it was you were trying to accomplish), rather than just asking how to emulate the printf("%8d"). :-) Glad you got it working, though. I didn't much like the %8d stuff anyway, and I'm glad you didn't need it. /Glenn -- Glenn Reid RightBrain Software glenn@heaven.woodside.ca.us PostScript/NeXT developers ..{adobe,next}!heaven!glenn 415-851-1785