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| import base64
import sys
def deStego(stegoFile):
b64table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
with open(stegoFile,'r') as stegoText:
message = ""
for line in stegoText:
try:
text = line[line.index("=") - 1:-1]
message += "".join([ bin( 0 if i == '=' else b64table.find(i))[2:].zfill(6) for i in text])[2 if text.count('=') ==2 else 4:6]
except:
pass
return "".join([chr(int(message[i:i+8],2)) for i in range(0,len(message),8)])
if __name__ == "__main__":
if len(sys.argv) == 2:
print(deStego(sys.argv[1]))
else:
print(deStego("stego.txt"))
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