# /etc/profile.d/lang.sh - exports environment variables, and provides fallback
# for CJK languages that can't be displayed in console.
if [ -n "${LANG}" ]; then
for config in /etc/locale.conf "${HOME}/.i18n"; do
# NOTE: We are using eval & sed here to avoid invoking of any commands & functions from those files.
if [ -f "${config}" ]; then
eval $(/usr/bin/sed -r -e 's/^[[:blank:]]*([[:upper:]_]+)=([[:print:][:digit:]\._-]+|"[[:print:][:digit:]\._-]+")/export \1=\2/;t;d' ${config})
if [ -n "${LANG_backup}" ]; then
# ----------------------------------------------
# The LC_ALL is not supposed to be set in /etc/locale.conf according to 'man 5 locale.conf'.
# If it is set, then we we expect it is user's explicit override (most likely from ~/.i18n file).
# See 'man 7 locale' for more info about LC_ALL.
if [ -n "${LC_ALL}" ]; then
if [ "${LC_ALL}" != "${LANG}" ]; then
# The ${LANG} manipulation is necessary only in virtual terminal (a.k.a. console - /dev/tty*):
if [ -n "${LANG}" ] && [ "${TERM}" = 'linux' ] && /usr/bin/tty | /usr/bin/grep --quiet -e '/dev/tty'; then
if /usr/bin/grep --quiet -E -i -e '^.+\.utf-?8$' <<< "${LANG}"; then
*_IN*) LANG=en_US.UTF-8 ;;
# NOTE: We are not exporting the ${LANG} here again on purpose.
# If user starts GUI session from console manually, then
# the previously set LANG should be okay to use.