IOFuck

IOFuck is an esolang invented by User:None1.

Commands

In this esolang, there are only 3 commands.

Input

Input a line of string.

Output

Output the most recent string that was inputed.

Forever(
CODE
)

Do CODE forever.

It is case sensitive

Example Programs

Cat Program

Forever(
Input
Output
)

One time cat

Input
Output

Never terminate

Forever(
)

Interpreters

Python

# This is an interactive interpreter
# WARNING: The interpreter will crash if you attempt to run Output command before Input command
def i(c):
    global s
    if c=='Input':
            s=input()
    if c=='Output':
            print(s)
    if c=='Forever(':
            k=[]
            while 1:
                    C=input('>> ')
                    if C==')':
                            break
                    k.append(C)
            while 1:
                    for j in k:
                            i(j)
while 1:
    i(input('> '))