darktable exported file name

I am trying this one:
/$(FILE_FOLDER)/Darktable/$(FILE_NAME)-ISO$(EXIF_ISO)-f$(EXIF_APERTURE)-Shutterspeed$(EXIF_EXPOSURE)

IMG_4132-ISO100-f4,0-Shutterspeed0,0.tif

Works with ISO, aperture but not the shutter speed I get 0,0. Am I missing something?

Just gave this a try in latest development version (3.1.0+2325~gd10cb25c3) and I can confirm this.

Funny thing is that using EXIF_EXPOSURE in darkroom view does work. I’m having this entry present for a rather long time (LABELS_ICONS is new):

This ends up like this in darkroom:

Maybe you should file a bug-report on github.

Bug report done.

A solution for this “bug” (limitation) has been implemented via #5567.

Because a forward slash, as in 1/125, is an impossibility in filenames (at least in UX alike OS-es) the forward slash has been changed to an underscore (/ vs _) when used as part of the exported filename.