in tcl, can't read a variable when its name is comprised of another variable

Question

Basically, what I\'m doing is

set i 0

set log_$i \"blah blah\"

puts $log_$i;                  # expecting to see \"blah blah\"

this retur

Answer 1

Another way:

% set i 0
0
% set log(0) "blah blah"
blah blah
% puts $log($i)
blah blah