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DarkBASIC Professional Discussion / print with ";" not working with numerical values in loops

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zenassem
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Posted: 12th Sep 2011 04:12 Edited at: 12th Sep 2011 04:15
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not sure if it's always been this way but the use of ";" or "," doesn't work for numerical values in loops. Though it seems to work inside of loops if you convert the value to a string using str$(value) and ";" but not for ",".

As far as I'm concerned this is a bug



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Qqite
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Posted: 12th Sep 2011 04:49 Edited at: 12th Sep 2011 04:50
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Why are the "," and ";" outside of the str$() function? A string can only = something inside quotes...
a = "A string"
b = "1" //A string
c = "2.222" //A string
d = str$(2.22) //A string

e = ";" //This is a proper string
e = ; //This is NOT a proper string.

So in essence, that ";" and "," you are throwing after the str$() function is not proper.

If you want something that works in that sort, try this:


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Suicidal Sledder
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Posted: 12th Sep 2011 06:52
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I believe QQ is incorrect. the ; should belong outside of the str$() function since they are not actually part of the string.



will not work since a is not a string. it is an integer variable. the correct way to code what you are trying to do is as you have it:


If you are actually attempting to include the ; and , characters at the end of your string then QQs last example is exactly what you need to do.

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Pincho Paxton
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Posted: 12th Sep 2011 10:31 Edited at: 12th Sep 2011 10:36
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; means print on the same line, I've never used the comma. But if str$(x); works it's not so bad.

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Green Gandalf
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Posted: 12th Sep 2011 12:26 Edited at: 12th Sep 2011 12:36
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I agree with zenassem - except his snippet doesn't tell the story correctly.

The first version, i.e.



works because only one print command is being used.

The semi-colon is for concatenating successive print commands (see Help file), for example,



That also works inside for/next loops as zenassem's original snippet shows - but neither version work with U77RC7 when you use numeric variables. The bug is nothing to do with for/next loops and I'm sure it used to work correctly at one point. If I get time later today I'll see if I can find out when it changed.

Edit It looks as if it works correctly as long as the print includes at least one string even an empty string. The following all work:

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zenassem
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Posted: 12th Sep 2011 13:48
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@Green Gandalf,
Thanks for looking into it. Yeah, somehow I missed copying the "successive" prints into the example code snippet. Thanks for picking up on that.

In actual code I stumbled upon this when trying to print values stored in a numerical array; indexing the array through a for-loop. Picked up on str$(); working,, but didn't think of trying an empty string. Curious to find out when/how this changed.

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Sequence
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Posted: 22nd Sep 2011 10:27
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I don't understand.

Got me this output.


If all the "1"s are in the right place, it'll work like a charm.
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zenassem
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Posted: 22nd Sep 2011 13:55
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Quote: "I don't understand"


Ok, then what do you think the output of this should be?



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Sequence
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Posted: 22nd Sep 2011 14:01 Edited at: 22nd Sep 2011 14:04
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Found a software bug in the forum software!!!!! When I posted ONLY the output of the code which is below, it came up with the message "TURN OFF CAPS LOCK KEY" and would NOT post he message.


1111122222

If all the "1"s are in the right place, it'll work like a charm.
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zenassem
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Posted: 22nd Sep 2011 14:09
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That's not what outputs on ver 7_7 Rc7 rather the result is

1
1
1
1
1
2
2
2
2
2

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Sequence
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Posted: 22nd Sep 2011 14:12
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The following program, FOR SOME STRANGE REASON!!!

Gives this as output!!!!

SERIOUSLY, that IS the output I am getting.

If all the "1"s are in the right place, it'll work like a charm.
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Sequence
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Posted: 22nd Sep 2011 14:14
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This

outputs this:


If all the "1"s are in the right place, it'll work like a charm.
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Sequence
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Posted: 22nd Sep 2011 14:21
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Run this:

Then run this


If all the "1"s are in the right place, it'll work like a charm.
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Sequence
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Posted: 22nd Sep 2011 14:25
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Congratulations zenassem, you've found a software bug in DarkBasic Professional.

And it's one of the OLDEST commands that BASIC has to offer!

If all the "1"s are in the right place, it'll work like a charm.
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Pincho Paxton
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Posted: 22nd Sep 2011 14:40
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Well 1.075 works fine, and 7.7 is a beta so its a bug then in a beta test.

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Sequence
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Posted: 22nd Sep 2011 14:43
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That would have driven me crazy if I couldn't track it down. I've long ago quit using "PRINT". I use the TEXT command, and when I found out that "PRINT"... DOESN'T in the bottom 3 lines of the output screen, well, that did it for me.

If all the "1"s are in the right place, it'll work like a charm.
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Pincho Paxton
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Posted: 22nd Sep 2011 14:47
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What version of DB do you use?

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Sequence
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Posted: 22nd Sep 2011 14:56
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Dark Basic Professional 1.074

If all the "1"s are in the right place, it'll work like a charm.
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Pincho Paxton
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Posted: 22nd Sep 2011 15:01 Edited at: 22nd Sep 2011 15:01
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Well try 1.075 it doesn't print what you said it prints.

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Sequence
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Posted: 22nd Sep 2011 15:07 Edited at: 22nd Sep 2011 15:09
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Oh, I guess I was using a different version on my computer with windows XP Professional 32 bit (got it in March of this year, I believe). I'm using 64 bit Windows 7 Professional now. It wasn't "PRINT"ing into the last 3 lines on the screen when I went to full screen in 1280x1024x32 bit on a monitor with 1280x1024 max resolution, a CRT.

I was using, I believe, Verdana font in 24 as character size.

I just tried it on this version, it IS printing in the bottom 3 lines, AND in Verdana too. Thanks though, I didn't know there was a higher version already as I got this about a week or 2 ago now.

If all the "1"s are in the right place, it'll work like a charm.
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Pincho Paxton
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Posted: 22nd Sep 2011 15:13
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Yeah, you may have a point, I get some bugs too.

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