# Ensure we're using at least version 2.05. Weird arithmetic syntax needed here # due to leading zeroes and trailing letters in some 2.x version numbers (e.g. # 2.05a). if ! [ -n "$BASH_VERSINFO" ] ; then return elif ((BASH_VERSINFO[0] == 2)) && \ ((10#${BASH_VERSINFO[1]%%[![:digit:]]*} < 5)) ; then return fi # Clear console if possible when logging out if ((SHLVL == 1)) ; then clear_console -q 2>/dev/null fi # Write PWD to a file if set printf '%s\n' "$PWD" > "${OLDPWD_FILE:-$HOME/.oldpwd}"