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Convert text string to acceptable filename format

 
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kiwijunglist



Joined: 26 May 2009
Posts: 8
PostPosted: Tue Dec 22, 2009 11:11 pm    Post subject: Convert text string to acceptable filename format Reply with quote
Hi

Is there an existing function / script that will convert a text string containing extended characters into a text string that complies with windows filename formating standards?

(I wasn't able to find one by searching the forums)

Thanks
Mike
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Micahs



Joined: 01 Dec 2006
Posts: 460
PostPosted: Wed Dec 23, 2009 9:06 am    Post subject: Reply with quote
One thing I can think of that is really simple is
Code:
;replace any chars that are not "a-zA-Z0-9_" with underscore
txt := RegExReplace(txt, "\W", "_")
If your text contains only extended chars, you might want another solution, though, because there won't be anything left but underscores!
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kiwijunglist



Joined: 26 May 2009
Posts: 8
PostPosted: Wed Dec 23, 2009 12:53 pm    Post subject: Reply with quote
Thanks Micahs.

What about replacing an extended character?

eg. Replace all â with a

txt := RegExReplace(txt, "â", "a")
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SoLong&Thx4AllTheFish



Joined: 27 May 2007
Posts: 4999
PostPosted: Wed Dec 23, 2009 1:01 pm    Post subject: Reply with quote
Code:
txt=âáä
MsgBox % RegExReplace(txt, "â|á|ä", "a") ; or use [âáä]

; Or use a loop
txt=âáäéë
replace=âa|áa|äa|ée|ëe
Loop, Parse, Replace, |
   {
    StringSplit, Part, A_LoopField
    StringReplace, txt, txt, %Part1%, %Part2%, All
   }
MsgBox % txt

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AHK Wiki FAQ
TF : Text files & strings lib, TF Forum
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kiwijunglist



Joined: 26 May 2009
Posts: 8
PostPosted: Wed Dec 23, 2009 1:08 pm    Post subject: Reply with quote
Thank you both very much.

So I can use the Loop method, then use the "/W" to replace anything i have missed.

So the final code would be

Code:

txt=mïchâël©

;replace ïâë -> iae
replace=ïi|âa|ëe
Loop, Parse, Replace, |
   {
    StringSplit, Part, A_LoopField
    StringReplace, txt, txt, %Part1%, %Part2%, All
   }

;replace any chars that are not "a-zA-Z0-9_" with underscore
txt := RegExReplace(txt, "\W", "_")
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Guest
PostPosted: Wed Dec 23, 2009 10:50 pm    Post subject: Reply with quote
Quote:
Not sure what OS you guys are using, but this is the official Microsoft answer:

Use any character in the current code page for a name, including Unicode characters and characters in the extended character set (128–255), except for the following:

* The following reserved characters: < > : " / \ | ? *
* Integer value zero, sometimes referred to as the ASCII NUL character.
* Characters whose integer representations are in the range from 1 through 31, except for streams where these characters are allowed.
* Any other character that the target file system does not allow.

The only obvious conversion into filename problem are the :, / and ? chars that are used in certain titles (have never seen any other of the reserved ones, unless somebody can point them out, actually scratch that, I just remembered movie "Bat*21").

So "Star Wars; Episode III - Revenge of the Sith [2005].mkv", "Æon Flux [2005].mkv" and "Vi på Väddö [1958].avi" are perfect valid filenames. The only reason I sometimes do not use those weird characters is when the auto-approve rate declines from it.

My personal replacement list is as follows:

* : = ;
* / = _
* ? = (nothing, just remove)
* * = ¤ (ALT+0164)
* " = '' (two single quotes)
* < = [ or (
* > = ] or )
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