Am Dienstag, 6. Oktober 2015, 17:29:54 schrieb Tobias Ellinghaus: > Am Dienstag, 6. Oktober 2015, 07:16:04 schrieb darkta...@911networks.com: > > On Tue, 06 Oct 2015 11:03:20 +0200 > > > > Tobias Ellinghaus <h...@gmx.de> wrote: > > >> It would be handy to be able to "export" a list of files which > > >> match the current search/collect/filter/sort criteria, so that one > > >> can easily trigger an external action on these images. > > > > > >Using Lua for that should be easy. > > > > Easy for people with experience in Lua. Do you have some sample for > > newbie like me? > > No sample, sorry. The general idea would be to register a new export storage > and just output the list of images while not actually exporting anything. I > will try to write some sample code later.
Ok, here is the first version (it will ONLY work in builds from git master).
It adds a new button to the selected images-module on lighttable and when
clicked it writes a list of all selected images to /tmp/selected_images.
--------------
local dt = require "darktable"
dt.gui.libs.image.register_action(
"export list",
function(event, images)
local f = io.open("/tmp/selected_images", "w")
if not f then
dt.print("error writing to `/tmp/selected_images'")
else
for _, i in ipairs(images) do
f:write(i.path.."/"..i.filename.."\n")
end
f:close()
dt.print("list of selected images written to `/tmp/selected_images'")
end
end,
"export a list of selected images to /tmp/selected_images.txt"
)
--------------
There are two alternative versions I will try:
- a backwards compatible keyboard shortcut that just exports such a list with
all selected images (i.e., replace the button with a shortcut) and
- a pretty version that adds a completely new module on lighttable with a file
picker that lets you decide where to export the list to. Unfortunately Lua can
only add a button to the selected images-module and not arbitrary widgets.
If anyone wants to give it a try, you can get all selected images with this
snippet:
for _, i in ipairs(dt.gui.selection()) do
print(i.path..'/'..i.filename)
end
Tobias
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