#!/bin/bash
while true
do
if [ -f "/test" ] ; then
break ### Here I would like to exit with some status
fi
done
echo $? ## Here I want to check the status.
for i in foo bar; do echo $i; false; break; done; echo $? # The loop succeeds
( for i in foo bar; do echo $i; false; exit; done ); echo $? # The loop fails
