32 read var < /dev/null,\
41 # When used with 'command', neither special built-in utilities nor other
42 # utilities must abort on a redirection error.
47 ${SH} -c "command ${cmd} > /; exit 0" 2>/dev/null || exit 1
53 ${SH} -c "command ${cmd} > /; exit 0" 2>/dev/null || exit 1