namespace eval d {
   variable levels {"error" "warning" "notice" "debug" "info" "success"}
   foreach {name value} {r 1 g 2 b 4 c 6 m 5 y 3} {
      proc $name {} "return \033\\\[01\\;3${value}m"
      proc [string toupper $name] {} "return \033\\\[01\\;4${value}m"
   }
   proc n {} {return \033\[\;0m}
   proc puts {text {level ""}} {
      switch -nocase $level {
         "error" { ::puts "[r]$text[n]" }
         "warning" { ::puts "[y]$text[n]" }
         "notice" { ::puts "[c]$text[n]" }
         "debug" { ::puts "[m]$text[n]" }
         "info" { ::puts "[b]$text[n]" }
         "success" { ::puts "[g]$text[n]" }
         default { ::puts "$text" }
      }
   }
}

#/usr/bin/tclsh
source debugger.tcl
foreach level $::d::levels {
   ::d::puts "Level is set to $level" $level
}