1path=':/bin:/tmp::/:.:/no/such/dir:.' 2path='/bin:/tmp:/:/no/such/dir' 3path='/bin:/tmp:/:/no/such/dir' 4path='/bin':'/tmp':'/':'/no/such/dir' 5path='/bin':'/tmp':'/':'/no/such/dir' 6path_/usr/xbin=/opt/xbin/ 7paths=/bin /tmp / /no/such/dir /opt/xbin 8PATHS=/BIN /TMP / /NO/SUCH/DIR /OPT/XBIN 9The answer is 42 10exit status 0 11