| function checkForErrorExit () |
| { |
| # arg 1 must be return code, $? |
| # arg 2 (remaining line) can be message to print before exiting due to non-zero exit code |
| exitCode=$1 |
| shift |
| message="$*" |
| if [ -z "${exitCode}" ] |
| then |
| echo "PROGRAM ERROR: checkForErrorExit called with no arguments" |
| exit 1 |
| fi |
| if [ -z "${message}" ] |
| then |
| echo "WARNING: checkForErrorExit called without message" |
| message="(Calling program provided no message)" |
| fi |
| if [ "${exitCode}" -ne "0" ] |
| then |
| echo |
| echo " ERROR. exit code: ${exitCode} ${message}" |
| echo |
| exit "${exitCode}" |
| fi |
| } |
