Your bug report

#49217: 'shuf' returns nothing if the low range number is higher by 1 than the high number

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 49217@debbugs.gnu.org.

-- 
49217: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=49217
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems