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ID	...	Creation date	March 28, 2008
Platform	S60 2nd Edition, S60 3rd Edition	Tested on devices	S60 3rd Edition FP1 SDK
Category	Python	Subcategory	File Operations

Keywords (APIs, classes, methods, functions): os

Introduction

This snippet allows to dump a list of the whole file system to a file with sizes and last modified date.

Preconditions

The memory card should be presented as the file path is subject to E:. If not then the file should be created on C:.

Code Snippet

import os, sys
from stat import *
import time
 
def walktree(dir, callback):
    '''recursively descend the directory rooted at dir,
       calling the callback function for each regular file'''
 
    for f in os.listdir(dir):
		try :
			pathname = '%s/%s' % (dir, f)
			mode = os.stat(pathname)[ST_MODE]
			if S_ISDIR(mode):
				# It's a directory, recurse into it
				walktree(pathname, callback)
			elif S_ISREG(mode):
				# It's a file, call the callback function
				callback(pathname)
			else:
				# Unknown file type, print a message
				print 'Skipping %s' % pathname
		except :
			pass
 
def visitfile(file):
	s = os.stat(file)
	finfo = "%12d %s %s\n" % (s.st_size, time.ctime(s.st_mtime), file)
	try:
		log.write(finfo)
	except:
		pass
 
if __name__ == '__main__':
	log = open('e:/filelog.txt', 'w')
	for drive in ('c:', 'd:', 'e:', 'z:') :
		walktree(drive, visitfile)
	log.close()

Post Conditions

E:/filelog.txt file is created.

Related Links

• Forum Nokia discussion board thread