Stuff

proc rxencode { in } {
  #caps fix
  if { [scan [string index $in 1] %c] >= 65 && [scan [string index $in 1] %c] <= 90 } {
    set key [format %c [randrange 68 87]]
    set keynum [expr [scan $key %c] - 64]
  } else {
    if { [string index $in 0] >= 65 && [string index $in 0] <= 90 } {
      set key [format %c [randrange 68 87]]
      set keynum [expr [scan $key %c] - 64]
      set in "[string tolower [string index $in 0]][string range $in 1 end]"
    } else {
      set key [format %c [randrange 100 119]]
      set keynum [expr [scan $key %c] - 96]
    }
  }
  append out [format %c%s%c 15 $key 15]
  for {set x 0} {$x < [string length $in]} {incr x} {
    set curcharnum [scan [string index $in $x] %c]
    if { $curcharnum >= 65 && $curcharnum <=90 } {
      set rxe_x 64
    } elseif { $curcharnum >= 97 && $curcharnum <=122 } {
      set rxe_x 96
    }
    set curcharnum [expr $curcharnum - $rxe_x]

  }

}