CHR() function in VFP 9.0

[Pollock]

Hello, just upgraded from VFP 6 to 9 today and have come across something really wierd.
The following code
enc_str = ''
for i=255 to 1 step -1
enc_str=enc_str + chr(i)
endfor


Returns a totally different result when run in VFP 9.0 then when it runs in VFP 6.0.

Would anybody know the cause of this.

 

[GriffMG]

I ran that in both and got:

ÿþýüûúùø÷öõôóòñðïîíìëêéèçæåäãâáàßÞÝÜÛÚÙØ×ÖÕÔÓÒÑÐÏÎÍÌËÊÉÈÇÆÅÄÃÂÁÀ¿¾½¼»º¹¸·¶µ´³²±°¯®­¬«ª©¨§¦¥¤£¢¡ Ÿž?œ›š™˜—–•”“’‘??Ž?Œ‹Š‰ˆ‡†…„ƒ‚?€~}|{zyxwvutsrqponmlkjihgfedcba`_^]\[ZYXWVUTSRQPONMLKJIHGFEDCBA@?>=<;:9876543210/.-,+*)('&%$#"! 



and in VFP 9

ÿþýüûúùø÷öõôóòñðïîíìëêéèçæåäãâáàßÞÝÜÛÚÙØ×ÖÕÔÓÒÑÐÏÎÍÌËÊÉÈÇÆÅÄÃÂÁÀ¿¾½¼»º¹¸·¶µ´³²±°¯®­¬«ª©¨§¦¥¤£¢¡ Ÿž?œ›š™˜—–•”“’‘??Ž?Œ‹Š‰ˆ‡†…„ƒ‚?€~}|{zyxwvutsrqponmlkjihgfedcba`_^]\[ZYXWVUTSRQPONMLKJIHGFEDCBA@?>=<;:9876543210/.-,+*)('&%$#"! 



Regards

Griff
Keep [Smile]ing

 

[Pollock]

Ok, I tried what you said, and it does look the same, but i was looking at them in step by step debug mode and it displayed 2 totally different sets of results?

 

[Pollock]

ok, if it then not that command, has sys(15) changed in anyway, as those are the only two functions that i use in this procedure

 

[AndyKr]

>>Ok, I tried what you said, and it does look the same, but i was looking at them in step by step debug mode and it displayed 2 totally different sets of results?

What you get for the characters above 128 depends on the font. I would guess that in VFP 6 you have the debugger set to use either FoxFont or Courier New, while in VFP 9 it is probably the default (MS Sans Serif) - or the other way around...

----
Andy Kramek
Visual FoxPro MVP

 

[NasibKalsi]

As AndyKr explained, it has to do with Fonts and Charater Set.

Search for 'Code Page' in the vfp 9.0 help file. Also look at the 'Programs/Accessories/SystemTools/Character Map' of your Windows.

enc_str = ''
for i=127 to 255
enc_str=enc_str + ltrim(str(i))+' ' + chr(i)+', '
endfor

When you print this, you may get different results as well.

This is all related to code page.

 

[Pollock]

Ok, dumped the output to a file and look at both, they appear to be identical. yet when i use sys(15) to modify the string, it delivers different output in vfp 6 as opposed to vfp 9. Anybody have an idea why?

 

[NasibKalsi]

Hi Pollock:

Would you please find one char which is different. What is the ascii code for that.

Once located the char, then go to windows find both chars in the character map, as mentioned earlier. Post the charater map ascii for both chars.