Simple try/catch/finally in bash

try-catch-finally.sh

#!/bin/bash

set -Ee

somethingThatWorks() {
  echo "somethingThatWorks"
}

somethingThatErrors() {
  echo "somethingThatErrors"
  false
}

somethingThatDoesntGetCalled() {
  echo "somethingThatDoesntGetCalled"
}

_try() {
    somethingThatWorks
    somethingThatErrors
    somethingThatDoesntGetCalled
}

_catch() {
    exitcode=$?
    printf 'ERROR\n' 1>&2 # Send to stderr
    printf ' Exit code: %s\n' "$exitcode"
    printf ' Command: %s\n' "$BASH_COMMAND"
    printf ' Line: %d\n' "${BASH_LINENO[0]}"
    exit $exitcode
}

_finally() {
  echo "finally"
}

trap _catch ERR
trap _finally EXIT
_try

Execute in bash with ./try-catch-finally.sh || printf "\nError $?" and it will print the exit code.

Based on: https://stackoverflow.com/a/43418467/486434 and https://stackoverflow.com/a/50270940/486434