On Feb 21, 5:50 pm, "Harlin Seritt" <[EMAIL PROTECTED]> wrote:
> Hi...
>
> I would like to take a string like 'supercalifragilisticexpialidocius'
> and write it to a file in binary forms -- this way a user cannot read
> the string in case they were try to open in something like ascii text
> editor. I'd also like to be able to read the binary formed data back
> into string format so that it shows the original value. Is there any
> way to do this in Python?
>
> Thanks!
>
> Harlin
import gmpy # GNU Multi-Prceision library for Python
f = open('getty.txt','r')
s = f.read()
f.close
print
print 'source file:'
print
print s
count = 0
f = open('getty_binary.txt','w')
for c in s:
o = ord(c)
b = gmpy.digits(o,2)
d = '0'*(8-len(b)) + b
w = '%s ' % d
f.write(w)
count += 1
if count % 5==0:
f.write('\n')
f.close
f = open('getty_binary.txt','r')
s = f.readlines()
f.close
print
print 'binary file:'
print
for i in s:
print i,
print
c = []
for k in s:
q = k.split()
for m in q:
c.append(chr(int(m,2)))
new_s = ''.join(c)
print
print 'decoded binary:'
print
print new_s
print
## output
## source file:
##
## Four score and seven years ago,
## our fathers brought forth on this continent
## a new nation, conceived in liberty
## and dedicated to the propostion that
## all men are created equal.
##
##
## binary file:
##
## 01000110 01101111 01110101 01110010 00100000
## 01110011 01100011 01101111 01110010 01100101
## 00100000 01100001 01101110 01100100 00100000
## 01110011 01100101 01110110 01100101 01101110
## 00100000 01111001 01100101 01100001 01110010
## 01110011 00100000 01100001 01100111 01101111
## 00101100 00001010 01101111 01110101 01110010
## 00100000 01100110 01100001 01110100 01101000
## 01100101 01110010 01110011 00100000 01100010
## 01110010 01101111 01110101 01100111 01101000
## 01110100 00100000 01100110 01101111 01110010
## 01110100 01101000 00100000 01101111 01101110
## 00100000 01110100 01101000 01101001 01110011
## 00100000 01100011 01101111 01101110 01110100
## 01101001 01101110 01100101 01101110 01110100
## 00001010 01100001 00100000 01101110 01100101
## 01110111 00100000 01101110 01100001 01110100
## 01101001 01101111 01101110 00101100 00100000
## 01100011 01101111 01101110 01100011 01100101
## 01101001 01110110 01100101 01100100 00100000
## 01101001 01101110 00100000 01101100 01101001
## 01100010 01100101 01110010 01110100 01111001
## 00001010 01100001 01101110 01100100 00100000
## 01100100 01100101 01100100 01101001 01100011
## 01100001 01110100 01100101 01100100 00100000
## 01110100 01101111 00100000 01110100 01101000
## 01100101 00100000 01110000 01110010 01101111
## 01110000 01101111 01110011 01110100 01101001
## 01101111 01101110 00100000 01110100 01101000
## 01100001 01110100 00001010 01100001 01101100
## 01101100 00100000 01101101 01100101 01101110
## 00100000 01100001 01110010 01100101 00100000
## 01100011 01110010 01100101 01100001 01110100
## 01100101 01100100 00100000 01100101 01110001
## 01110101 01100001 01101100 00101110 00001010
##
##
## decoded binary:
##
## Four score and seven years ago,
## our fathers brought forth on this continent
## a new nation, conceived in liberty
## and dedicated to the propostion that
## all men are created equal.
--
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