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Topic: add wallpaper tool, yep, thats what im making

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jaapz

Group: Members
Posts: 129
Joined: May 2007

Posted: Mar. 25 2008,15:07

hi,

im making a addWallpaper.lua tool, wich ads a wallpaper to /opt/.backgrounds. Now i got the problem that the fltk filechooser returns a full path of the selected wallpaper, like /home/dsl/image.png. I just need the image.png piece of that... It should be possible with regexes, but i have no clue how i would do it. Can anybody help me? (mikshaw :P)

Thanks for your help,
Jaapz

lucky13

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Posts: 1478
Joined: Feb. 2007

Posted: Mar. 25 2008,15:19

Are you using Robert's wallpaper.lua as a base (not sure if it's still in DSL 4, but probably still in DSL 3)?

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roberts

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Posts: 4983
Joined: Oct. 2003

Posted: Mar. 25 2008,15:39

We already have a wallpaper.lua.

There are many examples for the question you are asking. Do you know how to use grep?

Just grep for the lua construct over /usr/local/bin/*.lua

^thehatsrule^ Offline

Group: Members
Posts: 3275
Joined: July 2006

Posted: Mar. 25 2008,16:13

If you just wanted some kind of simple matching pattern, you could use something like [^\/]*$ with string:match (not sure if you'll need to escape the / )

I think these need to be asked:
- is this for personal learning?
- if not, are you adding anything that the current wallpaper tool doesn't do?

mikshaw

Group: Members
Posts: 4856
Joined: July 2004

Posted: Mar. 25 2008,18:46

Quote

the fltk filechooser returns a full path of the selected wallpaper, like /home/dsl/image.png. I just need the image.png piece of that

use fl_filename_name()

Code Sample

image_path=fltk.fl_file_chooser("Choose an image","Image Files (*.{jp{,e}g,png,bmp,xbm,xpm,gif})",nil, nil)
if image_path then
my_image=fltk.fl_filename_name(image_path)
print(my_image)
end

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http://www.tldp.org/LDP/intro-linux/html/index.html

20 replies since Mar. 25 2008,15:07

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Damn Small Linux Board » Non-DSL Topics » Programming and Scripting » add wallpaper tool