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Newcomers DBPro Corner / In an input command can i...

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Outscape
16
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Joined: 23rd May 2008
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Posted: 15th Jul 2008 01:01
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can i make it that it doesnt accept any letters or %-^£^(&%£ figures?

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SirFire
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Joined: 4th Apr 2005
Location: North America
Posted: 15th Jul 2008 04:15 Edited at: 15th Jul 2008 04:16
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Nope.

You can perform a check after the input to see if the entry is a number, if not then print an error message and loop back to the input so they can try again.

Unfortunately, DBP doesn't have an instr$ function, but you might find the function in the first post here
http://forum.thegamecreators.com/?m=forum_view&t=126869&b=6 useful for finding certain non-numerical characters.

This code will only allow numbers to be entered:


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Outscape
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Posted: 15th Jul 2008 10:30
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that was exactly what i was after lol and was expecting like that
i probibly didnt explain exactly what i was after but that was what i was after lol =D thankyou!!!!!!!!!!1

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Sixty Squares
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Posted: 15th Jul 2008 14:12
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What if you want the number 0

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MSon
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Location: Earth, (I Think).
Posted: 15th Jul 2008 14:57
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Aswell as using the Input Command, you could also try using the Entry$() Command so you can read the keyboard entry without pausing your programme.

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Outscape
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Posted: 15th Jul 2008 15:18
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Quote: "What if you want the number 0"

i dont want people attacking with 0 men =D

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Rudolpho
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Joined: 28th Dec 2005
Location: Sweden
Posted: 16th Jul 2008 13:59 Edited at: 16th Jul 2008 14:01
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Instr can always be emulated using mid$ and len, allthough it's of course slower than a built in command would be.

Of course, that simple function only gives you the position of the first occurence of the search string in your string.

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