How do I capture a SQLPlus exit code within a shell script?

Question

I have a KornShell (ksh) script that logins into SQL*Plus and executing a script. Within the shell script I would like to capture the status code of the SQL statement that

Answer 1

Exit from the sql file with

exit sql.sqlcode;

capture it in shell with $?

Answer 2

Have you tried using

whenever sqlerror exit sql.sqlcode

in your sql script? (also see this link)