Update bits-info.sh

tools/bits-info.sh

@@ -18,6 +18,15 @@ readonly SCRIPT_VERSION='0.9'
 readonly NL='
 '
 
+try {                     # try takes a block of commands
+  echo '123'
+  ls /BAD                 # it stops at the first failure
+  ls /lib
+}                         # After try, $? is always 0
+if (_error.code !== 0) {  # Now check _error
+  echo 'failed'
+}
+
 command 1> /dev/null 2>&1 -v 'local' || {
   \eval ' \local() { :; } ' || : # Create a dummy "local" function for ksh shell
   alias 'local'='typeset'        # On some versions of ksh this really works, but leave the function as dummy fallback