systemf
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systemf is a programming language enhancing Brainfuck with Linux system calls.
| Command | Description |
|---|---|
>
|
Move the pointer to the right |
<
|
Move the pointer to the left |
+
|
Increment the memory cell under the pointer |
-
|
Decrement the memory cell under the pointer |
.
|
Output the character signified by the cell at the pointer |
,
|
Input a character and store it in the cell at the pointer |
[
|
Jump past the matching ] if the cell under the pointer is 0
|
]
|
Jump back to the matching [ if the cell under the pointer is nonzero
|
%
|
Execute system call |
Analogously to Brainfuck, characters other than ><+-.,[]% should be considered comments and ignored. But, see extensions below.