1 2shname=${SH%% *} 3shname=${shname##*/} 4 5result=$(${SH} -c 'ps -p $$ -o comm=') 6test "$result" = "ps" || exit 1 7 8result=$(${SH} -c 'ps -p $$ -o comm=; :') 9test "$result" = "$shname" || exit 1 10