1# Test special parameter $? (exit status) in PS1 2output=$(PS1='status:$?:' ENV=/dev/null ${SH} +m -i </dev/null 2>&1) 3# Should start with exit status 0 4case $output in 5*status:\$?:*) echo "Exit status not expanded, got literal \$?"; exit 1 ;; 6*status:0:*) exit 0 ;; 7*) echo "Expected 'status:0:' in initial prompt"; exit 1 ;; 8esac 9