get file extension - GameCreators Forum

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Phaelax

DBPro Master

21

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Joined: 16th Apr 2003

Location: Metropia

Posted: 25th Dec 2003 12:23

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Returns the extension of a string. (for a file)

If you have a string like "this.is.really.dumb", it'll return "dumb".

+ Code Snippet

function getFtpExtension(name$ as string)
  length = len(name$)
  i = length
  while (mid$(name$, i) <> ".")
      dec i
  endwhile
  ext$ = right$(name$, length - i)
endfunction ext$

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genius

20

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Joined: 16th Oct 2003

Location: Utah, USA

Posted: 26th Dec 2003 00:41

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cool Phaelax!

Be happy, tomorrow is another day

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Tomy

20

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Joined: 25th Dec 2003

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Posted: 26th Dec 2003 02:14

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Wow, how did you do that????
I don't understand anything, but it works!!!!!!!!!!

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Atreides

20

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Joined: 11th Oct 2003

Location: Switzerland (but NOT on a mountain !)

Posted: 26th Dec 2003 22:57

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it's easy to understand, where's the difficulty ?
it reads the name, but it begins from the end ; it continue to read until the letter is "." => all the others letters it has read are the format

but I think you should add something, Phaelax, because your code may crash the application

+ Code Snippet

function getFtpExtension(name$ as string)
  length = len(name$)
  i = length
  while (mid$(name$, i) <> ".") or i>0
      dec i
  endwhile
  if i>0 then ext$ = right$(name$, length - i) else ext$=""
endfunction ext$

so, if there isn't any . in your file, the code won't crash

The sleeper must awaken !

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Tomy

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Joined: 25th Dec 2003

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Posted: 27th Dec 2003 22:19

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Quote: "it's easy to understand, where's the difficulty ?
it reads the name, but it begins from the end ; it continue to read until the letter is "." => all the others letters it has read are the format
"

Maybe it was a joke...