Disadvantages Of Tcl Language

• Substitutions cause confusion:

  • When does evaluation occur?
    while $xɝ {...}
    
    vs.
    while {$xɝ} {...}
    set vars {a b c d e}
    ...
    unset $vars
    vs.
    eval "unset $vars"
  • Generating comands on the fly is tricky (use list commands!).

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