Telifuck

Telifuck is a brainfuck derivative with the key difference being that each line teleports to the line corresponding to the value on the pointer when it finishes the command. Also, [] are no longer commands.

(note: lines start at zero; if at the end of the line, the line you would teleport to does not exist, go to line zero instead; if the line you teleport to has no code, terminate program)

(note2: one could parse the entire line as one command because there are no loops within a line)

Command	Description
>	Move the pointer to the right
<	Move the pointer to the left
+	Increment the memory cell at the pointer
-	Decrement the memory cell at the pointer
.	Output the character signified by the cell at the pointer
,	Input a character and store it in the cell at the pointer

Programs

a random program that extends the number of nonzero numbers by 1 every O(sqrt(n)) iterations

+
+>++
+<+
-<+
--->--

Smaller version:

>+
<
->+

Or

+>+
<
->+

Kolakoski sequence:

+++++++++++++++++++++++++++++++++++++++++++++++++.+..---------------------------------------------<<+++<++
>+++++++>>+
>+++++++>>++
<<
->>+
-->>++
<+>--->>+++++++<<
<+>---->+>+++>>+++++++<<
<++>----->>+++++<<
<++>------>++>+++>>+++++<<
>++++++++++++++++++++++++++++++++++++++++++++++++.------------------------------------------------

Cat program:

,.>