import os
__author__ = 'Denis Barmenkov <denis.barmenkov@gmail.com>'
__source__ = 'http://code.activestate.com/recipes/577199-file-readwrite-routines/'
def read_file(fn, **kw):
assert os.path.isfile(fn), 'File not found: "%s"' % fn
binmode = kw.get('binmode', 0)
if binmode:
open_mode='rb'
else:
open_mode='r'
f = open(fn, open_mode)
if binmode:
rc = f.read()
assert len(rc) == os.path.getsize(fn)
else:
rc = map(lambda x: x.splitlines()[0], f)
f.close()
return rc
def write_file(fn, data, **kw):
binmode = kw.get('binmode', 0)
if binmode:
open_mode='wb'
else:
open_mode='w'
f = open(fn, open_mode)
if binmode:
f.write(data)
else:
for v in data:
f.write(v + '\n')
f.close()
def indent_lines(fn_src, fn_dest):
'''
Sample 1: indent all lines of source file
'''
lines = read_file(fn_src)
lines = map(lambda x: ' '+x, lines)
write_file(fn_dest, lines)
def win2unix(fn_src, fn_dest):
'''
Sample 2: replace windows line endings (0D 0A) with unix EOL (0A)
'''
filedata = read_file(fn_src, binmode=1)
filedata = filedata.replace('\x0d\x0a', '\x0a')
write_file(fn_dest, filedata, binmode=1)
Diff to Previous Revision
--- revision 1 2010-04-18 17:18:28
+++ revision 2 2010-04-18 17:18:50
@@ -1,7 +1,7 @@
import os
__author__ = 'Denis Barmenkov <denis.barmenkov@gmail.com>'
-__source__ = 'http://code.activestate.com/recipes//'
+__source__ = 'http://code.activestate.com/recipes/577199-file-readwrite-routines/'
def read_file(fn, **kw):
assert os.path.isfile(fn), 'File not found: "%s"' % fn
