or download this
join -t '\t' -a1 -1 16 -2 2 PTCL_All.txt Cosmic_Counts_By_Gene.txt
join: illegal tab character specification
<\code>
...
or
<code>join -t '<tab>' -a1 -1 16 -2 2 PTCL_All.txt Cosmic_Counts_By_
+Gene.txt
join: illegal tab character specification