On the old server, one could start a tcl interpreter with /usr/bin/tcl. But that isn't on the new server. Nope. On the new server it is usr/bin/tclsh.
So the few scripts I had that still wanted to invoke /usr/bin/tcl failed on the new server. Happily, that wasn't many and it was easily dealt with.
So the few scripts I had that still wanted to invoke /usr/bin/tcl failed on the new server. Happily, that wasn't many and it was easily dealt with.