how to dereference a variable twice in tcl
set jo jim
puts $$jo ;# returns "$jim"
puts [subst $$jo] ;# returns "can't read "jim": no such variable"
set fred jo
puts [subst $$fred] ;# returns "jim"how to dereference a variable twice in tcl
set jo jim
puts $$jo ;# returns "$jim"
puts [subst $$jo] ;# returns "can't read "jim": no such variable"
set fred jo
puts [subst $$fred] ;# returns "jim"Copyright © 2021 Codeinu
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