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: ${TMPDIR:=/var/tmp}
TMPFILE=$TMPDIR/exitcode
trap 'rm -f $TMPFILE' 0
rm -f $TMPFILE
set -e
# we normalize the exit code to accommodate false returning 255 on Solaris
exit_handler() { echo "exit code: $(( $? != 0 ))" ; touch $TMPFILE; }
false() { ! :; }
notfound() { nosuchcommand ; }
syntaxerror() { !:; }
main()
{(
trap exit_handler 0
"$@" >> /dev/null 2>&1
)}
main "$@"
echo "after main: should not get here"
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