Fb

Fb is an esolang invented by User:None1.

It is BF but when executed, the characters are rearranged in random order first.

Examples

Cat program

[],.,

Of the 60 possible programs to be executed when this program is passed, only ,[.,] cats correctly, as such, this program has a probability of 1/60 to cat.

Interpreters

Python

import sys,random
def bf(code):
    s=[]
    matches={}
    tape=[0]*1000000
    for i,j in enumerate(code):
        if j=='[':
            s.append(i)
        if j==']':
            m=s.pop()
            matches[m]=i
            matches[i]=m
    cp=0
    p=0
    while cp<len(code):
        if code[cp]=='+':
            tape[p]=(tape[p]+1)%256
        if code[cp]=='-':
            tape[p]=(tape[p]-1)%256
        if code[cp]==',':
            c=sys.stdin.read(1)
            tape[p]=(ord(c) if c else 0)%256
        if code[cp]=='.':
            print(chr(tape[p]),end='')
        if code[cp]=='<':
            p-=1
        if code[cp]=='>':
            p+=1
        if code[cp]=='[':
            if not tape[p]:
                cp=matches[cp]
        if code[cp]==']':
            if tape[p]:
                cp=matches[cp]
        cp+=1
k=list(input())
random.shuffle(k)
bf(''.join(k))