DRF to TXT

Python code posted
created at 01 Jun 15:22, updated at 01 Jun 18:47

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#-------------------------------------------------------------------------------
# Name:        drf2txt
# Purpose:     Decodes a Control-M DRF file to text
#
#
# Created:     16/03/2008
# Licence:     public domain
# see    :     http://www.control-musage.com/modules.php?name=Forums&file=viewtopic&t=248
# Comment:     Currently only decrypts, but should be easy to make it re-crypt.
#-------------------------------------------------------------------------------
#!/usr/bin/env python
import sys

def decryptChar(x,idx):
    if idx % 2 == 0:
        return chr(ord(x) - 2)
    else:
        return chr(ord(x) + 2)
def cryptChar(x,idx):
    if idx % 2 == 0:
        return chr(ord(x) + 2)
    else:
        return chr(ord(x) - 2)

def main():
    line_number = 0
    for line in file(sys.argv[1], "rU"):
        if line_number > 0:
            newline = []
            char_number = 0
            for c in line[line.find(';')+1:-1]:
                newline.append(decryptChar(c, char_number))
                char_number += 1
            element = ''.join(newline)
            print element
        else:
            pass
        line_number += 1


if __name__ == '__main__':
    if (len(sys.argv) > 1):
        main()
1.23 KB in 3 ms with coderay