_Added in 1.9.0_

*$addtok(text,token,C)*

Adds a token to the end of text but only if it is not already in text.

_[[$addtok]] is case-insensitive, see [[$addtokcs]] for case-sensitive version._

*Parameters*

text - Text to add the token to.
token - Token to add.
C - The "ASCII":http://www.asciitable.com/ value to tokenize by.

*Example*

<pre>
; Returns a.b.c.d
//echo -ag $addtok(a.b.c,d,46)

; Returns a.b.c.d
//echo -ag $addtok(a.b.c.d,c,46)
</pre>