yep, i am getting the same thing. I don't know what is it about this tcsh shell that does not like. Drop to bash and repeat your comands and it will work (type bash and hit enter)  w2isilonpoc-1# bash
Community,   I am horrible at command line scripting.  If i had 175 snapshots and I was performing a snapshot clean up and wanted to delete all but the latest 14 snapshots how would I formulate that within the snapshot delete command?   Thank you,
isi snapshot snaphosts delete