qwurx [shmem] ~ > perl -le '$h = {foo => "42"}; print {$h} "foo"'
Not a GLOB reference at -e line 1.
qwurx [shmem] ~ >

##</code><code>##

sort {byid} @list;
map {$_->()} @stuff;
print {$fh||$ofh} @vars;