Bugs item #1597011, was opened at 2006-11-15 12:19
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Category: Extension Modules
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Clodoaldo Pinto Neto (cpn)
Assigned to: Nobody/Anonymous (nobody)
Summary: Reading with bz2.BZ2File() returns one garbage character
Initial Comment:
When comparing two files which should be equal the last line is
different:
The first file is a bzip2 compressed file and is read with
bz2.BZ2File()
The second file is the same file uncompressed and read with open()
The first file named file.txt.bz2 is uncompressed with:
$ bunzip2 -k file.txt.bz2
To compare I use this script:
###############################
import bz2
f1 = bz2.BZ2File(r'file.txt.bz2', 'r')
f2 = open(r'file.txt', 'r')
lines = 0
while True:
line1 = f1.readline()
line2 = f2.readline()
if line1 == '':
break
lines += 1
if line1 != line2:
print 'line number:', lines
print repr(line1)
print repr(line2)
f1.close()
f2.close()
##############################
Output:
$ python bzp.py
line number: 588317
'\x07'
''
The offending attached file is 5.5 MB. Sorry, i could not reproduce this problem
with a smaller file.
Tested in Fedora Core 5 and Python 2.4.3
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