Brainf*ck language to Exclamation language converter.

bf2ec.py

#!/usr/bin/python
"""
Brainf*ck langage to Exclamation language converter.
30 6 2013 Hiroki Ito

Exclamation programs can be translated into Brainf*ck using these substitutions

exclamation bf  C
!			+	++*ptr;
!!			>	++ptr;
!!!			<	--ptr;
!!!!		-	--*ptr;
!!!!!		.	putchar(*ptr);
!!!!!!		,	*ptr=getchar();
!!!!!!!		[	while (*ptr) {
!!!!!!!!	]	}
"""

from __future__ import with_statement
import sys

if(1 == len(sys.argv)):
  print "usage bf2ec brainfuck_filename"
	sys.exit(0)

with open(sys.argv[1]) as bf_file:
	buf = ""
	for line in bf_file:
		if(len(line) == 0 or line[0] == '#' or line[0] == '\n'):
			continue
#		print line.strip()
		for c in line:
			if '+' == c:
				buf += "! "
			elif '>' == c:
				buf += "!! "
			elif '<' == c:
				buf += "!!! "
			elif '-' == c:
				buf += "!!!! "
			elif '.' == c:
				buf += "!!!!! "
			elif ',' == c:
				buf += "!!!!!! "
			elif '[' == c:
				buf += "!!!!!!! "
			elif ']' == c:
				buf += "!!!!!!!! "
			else:
				pass
	print buf
M