Dealing with filenames in a folder...

[Mark Smith]

You could just filter again

filter ROMlist without ".*" -- no asterisk at the beginning limits  
the filter to excluding lines that start with a period



Mark

On 18 Oct 2005, at 22:07, Ian Leigh wrote:

> I am, as an attempt to learn Dreamcard, writing a frontend to MAME.  
> I have a fair idea of what I need to do, just doing it is a bit of  
> a struggle at the moment.
>
> The user points to where their ROM folder is. What I then need to  
> do is take each filename that ends with .ZIP and convert that into  
> a full title. At the moment I am cross referencing the filename  
> with a text file containing the information I need. Displaying the  
> filenames in a field is easy using the files command and filter to  
> find the .zips. Because the filename isn't very descriptive I want  
> to use the descriptions in the text file instead.
>
> So far I have been trying the following....
>
> global allgamedata, ROMlist, ROMtitlelist
>
> on mouseUp
>   local counter, titletoscan, n
>   answer folder "Where are your ROMs?"
>   put it into field "ROMlocation"
>   set the defaultfolder to field "ROMlocation"
>   put the files into ROMlist
>   filter ROMlist with ".zip"
>   put ROMlist into field "gamedescription"
>   repeat with n = 1 to the number of lines in ROMlist
>     put line n of ROMlist into titletoscan
>     put titletoscan into field "filetoscan"
>     add scantitle(titletoscan) to ROMtitlelist
>   end repeat
>   put ROMtitlelist into field "availablegames"
>
> end mouseUp
>
> function scantitle titletoscan
>   local gametitle, returnedpos
>   put lineoffset("$info=" & titletoscan, allgamedata) into returnedpos
>   put line returnedpos + 2 of allgamedata into gametitle
>   return gametitle
> end scantitle
>
> The problem is that the first item in ROMlist is .DSstore and the  
> whole thing seems to stop there. I could do with a little help if  
> anyone can assist!
>
> I have been thinking perhaps I should take the filename one at a  
> time and then create an array to store each game into but don't  
> know if that is really necessary in rev. The reason this has to be  
> done is that MAME supports many thousands of roms but the user may  
> only have a handful.
>
> Many thanks
>
> Ian
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