Afficher un vidage B2 ou DRE à partir d'un fichier.

vidage_fse_b2.py

#!/usr/bin/env python

"""
Ce script Python vous permet d'afficher un 'vidage' B2 ou DRE.
Il s'agit du contenu du fichier passe en parametre du script,
affiche sur 128 colonnes.

Copyright: Florian Le Goff

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

     * Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
     * Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
     * Neither the name of the author nor the names of its contributors may
       be used to endorse or promote products derived from this software
       without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
"""

import sys
import re
from struct import unpack

try:
    f = open(sys.argv[1])

except IndexError:
    print "usage: {0} <b2|dre>".format(sys.argv[0])
    sys.exit(1)

while 1:
    for a in range(128):
        c = f.read(1)
        if not c:
            sys.stdout.write("\n")
            sys.exit(0)
        c = unpack('c', c)[0]
        if re.search('^[A-Za-z0-9 ]$', c):
            sys.stdout.write("%c" % c)
        else:
            sys.stdout.write(".")
    sys.stdout.write("\n")

f.close()