zerom@vordhosbn ~ $ env | grep -e '^LANG' -e '^LC_'
LC_ALL=ru_RU.UTF-8
LANG=ru_RU.UTF-8
LANGUAGE=ru_RU.UTF-8
zerom@vordhosbn ~ $ locale
LANG=ru_RU.UTF-8
LC_CTYPE="ru_RU.UTF-8"
LC_NUMERIC="ru_RU.UTF-8"
LC_TIME="ru_RU.UTF-8"
LC_COLLATE="ru_RU.UTF-8"
LC_MONETARY="ru_RU.UTF-8"
LC_MESSAGES="ru_RU.UTF-8"
LC_PAPER="ru_RU.UTF-8"
LC_NAME="ru_RU.UTF-8"
LC_ADDRESS="ru_RU.UTF-8"
LC_TELEPHONE="ru_RU.UTF-8"
LC_MEASUREMENT="ru_RU.UTF-8"
LC_IDENTIFICATION="ru_RU.UTF-8"
LC_ALL=ru_RU.UTF-8
zerom@vordhosbn ~ $ cd ~/Desktop/test/
zerom@vordhosbn ~ $ ls
русскиебуквы
zerom@vordhosbn ~ $ gwenview русскиебуквы/Space_Harrier_enemy_Mammoth.png                     # работает #
kf5.kio.core: Refilling KProtocolInfoFactory cache in the hope to find "mtp"
kf5.kio.core: Refilling KProtocolInfoFactory cache in the hope to find "mtp"
zerom@vordhosbn ~ $ gqview русскиебуквы/Space_Harrier_enemy_Mammoth.png                       # работает #
GQview 2.1.5, This is a beta release.
zerom@vordhosbn ~ $ dolphin                                                                   # НЕ работает из Дельфина #
kf5.kio.core: Refilling KProtocolInfoFactory cache in the hope to find "mtp"
Trying to convert empty KLocalizedString to QString.
kf5.kio.core: Refilling KProtocolInfoFactory cache in the hope to find "mtp"
kf5.kio.core: Refilling KProtocolInfoFactory cache in the hope to find "mtp"
Cannot creat accessible child interface for object:  PlacesView(0x162b500)  index:  14
zerom@vordhosbn ~ $ exit
exit

Скрипт выполнен Сб 20 май 2017 19:41:40