Script with: --dem=/home/steph/srtm_Suisse/hgt/VIEW1/,/home/steph/srtm_Suisse/hgt/SRTM1v3.0/,/home/steph/srtm_Suisse/hgt/VIEW3/,/home/steph/srtm_Suisse/hgt/SRTM3v3.0/

Output:
Found one style in /home/steph/osm/styles/default/
finished check-styles
HGTReader: file N45E006.hgt not found but it should exist. Height values will be 0.
HGTReader: file N45E007.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E006.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E007.hgt not found but it should exist. Height values will be 0.
HGTReader: file N47E006.hgt not found but it should exist. Height values will be 0.
HGTReader: file N47E007.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E005.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E008.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E009.hgt not found but it should exist. Height values will be 0.
HGTReader: file N46E010.hgt not found but it should exist. Height values will be 0.
HGTReader: file N45E008.hgt not found but it should exist. Height values will be 0.
HGTReader: file N47E009.hgt not found but it should exist. Height values will be 0.
HGTReader: file N47E010.hgt not found but it should exist. Height values will be 0.
HGTReader: file N45E009.hgt not found but it should exist. Height values will be 0.
HGTReader: file N47E008.hgt not found but it should exist. Height values will be 0.
Number of MapFailedExceptions: 0
Number of ExitExceptions: 0

But script with: --dem="$WORKDIR"/srtm_"$COUNTRY"/hgt/VIEW1/,"$WORKDIR"/srtm_"$COUNTRY"/hgt/SRTM1v3.0/,"$WORKDIR"/srtm_"$COUNTRY"/hgt/VIEW3/,"$WORKDIR"/srtm_"$COUNTRY"/hgt/SRTM3v3.0/

Output:
Found one style in /home/steph/osm/styles/default/
finished check-styles
Number of MapFailedExceptions: 0
Number of ExitExceptions: 0

Anyway, BaseCamp displays DEM shadows, so it's not a big deal.

Just a weird difference…

Regards

Steph