Print files recursively in python

import os

""" Print files recursively in a tree"""
path_dir = raw_input("Enter the directory path: ")
for root, subdirs, files in os.walk(path_dir):
    level=" "*len(root.split("\\"))
    print "%s|_ %s" %(level,root)
    if subdirs:
        pass
    if files:
        for file in files:
            print "%s|___ %s" %(level, file)
    else:
        pass

Output:

C:\Program Files (x86)>C:\Python27\python.exe D:/Deepti/Work/Python/practice/recursive_dir.py

Enter the directory path: D:\Deepti\Work\Python\practice\Dir

      |_ D:\Deepti\Work\Python\practice\Dir

       |_ D:\Deepti\Work\Python\practice\Dir\dir1

       |___ text11.txt

       |___ text12.txt

        |_ D:\Deepti\Work\Python\practice\Dir\dir1\dir11

        |___ text111.txt

        |___ text112.txt

        |_ D:\Deepti\Work\Python\practice\Dir\dir1\dir12

        |___ fiel122.txt

Directory Navigation in python - Script

import os,re,shutil,fnmatch

ex_path="D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob"

# Clean up
if not os.path.exists(ex_path):
    os.mkdir(ex_path)
else:
    shutil.rmtree(ex_path)
    os.mkdir(ex_path)

os.chdir(ex_path)

# Pre-Requisites
dir_list=[]

for i in range(0,4):
    dir_name="dir_%d" %i
    os.mkdir(dir_name)
    dir_list.append([dir_name])

for directory in dir_list:
    print directory[0]
    dir_path=ex_path+"\\" + directory[0]
    print dir_path
    os.chdir(dir_path)
    for i in range(0,4):
        fdesc=open("file_%s_%s" %(directory[0],i),"w")
        fdesc.close()
 
os.mkdir("sub_directory")
change_path=ex_path+"\dir_3\sub_directory"
print change_path
os.chdir(change_path)
fdesc=open("subdirectory.txt","w")
fdesc.close()

for dirpath, dirs, files in os.walk(ex_path):
    path = dirpath.split("\\")
    print len(path)
    print '|',(len(path))*'---','[',os.path.basename(dirpath),']'
    for f in files:
        print "|",(len(path))*'---',f

     
OUTPUT: ======= >>> ================================ RESTART ================================ >>> dir_0 D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob\dir_0 dir_1 D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob\dir_1 dir_2 D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob\dir_2 dir_3 D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob\dir_3 D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob\dir_3\sub_directory 6 | ------------------ [ Glob ] 7 | --------------------- [ dir_0 ] | --------------------- file_dir_0_0 | --------------------- file_dir_0_1 | --------------------- file_dir_0_2 | --------------------- file_dir_0_3 7 | --------------------- [ dir_1 ] | --------------------- file_dir_1_0 | --------------------- file_dir_1_1 | --------------------- file_dir_1_2 | --------------------- file_dir_1_3 7 | --------------------- [ dir_2 ] | --------------------- file_dir_2_0 | --------------------- file_dir_2_1 | --------------------- file_dir_2_2 | --------------------- file_dir_2_3 7 | --------------------- [ dir_3 ] | --------------------- file_dir_3_0 | --------------------- file_dir_3_1 | --------------------- file_dir_3_2 | --------------------- file_dir_3_3 8 | ------------------------ [ sub_directory ] | ------------------------ subdirectory.txt >>> >>> os.stat("D:\Deepti\SPSE-Course-DVD\Exercises\sample.xml" ) nt.stat_result(st_mode=33206, st_ino=0L, st_dev=0, st_nlink=0, st_uid=0, st_gid=0, st_size=219334L, st_atime=1441614421L, st_mtime=1441614386L, st_ctime=1441614421L) >>> os.lstat("D:\Deepti\SPSE-Course-DVD\Exercises\sample.xml") nt.stat_result(st_mode=33206, st_ino=0L, st_dev=0, st_nlink=0, st_uid=0, st_gid=0, st_size=219334L, st_atime=1441614421L, st_mtime=1441614386L, st_ctime=1441614421L)

Directory Navigation in Python - Command line

import os
import glob
import shutil
import fnmatch
import re


ex_path="D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob"
#Cleanup
print "Cleaning up"
if os.path.exists("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\NewDirectory"):
    os.rmdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\NewDirectory")

if os.path.exists(ex_path):
    # Remove directory and all its contents
    shutil.rmtree(ex_path)

print "Display the current directory path"
print "   %s" %os.getcwd()

print "Create a new directory"
os.mkdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\NewDirectory")

print "List contents of directory"
print os.listdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2")

for item in os.listdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2"):
    if os.path.isfile(item):
        print "  %s is a file" %item
    elif os.path.isdir(item):
        print "  %s is a directory" %item
    else:
        print "  %s: Unknown filetype" %item
     
print "Remove directory"
os.rmdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\NewDirectory")

print "List contents of directory"
print os.listdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2")



# Pre-requisites

os.mkdir("D:\Deepti\SPSE-Course-DVD\Exercises\Module 2\Glob")


file1=open(os.path.join(ex_path,"pythonfile.py"),"w")
file1.close()

file2=open(os.path.join(ex_path,"textfile.txt"),"w")
file2.close()

file3=open(os.path.join(ex_path,"swapfile.swp"),"w")
file3.close()

print "List contents of directory"
print os.listdir(ex_path)


# Exercise on glob
print "---- Print all the python files ----"
print glob.glob(os.path.join(ex_path,"*.py"))

# Exercise on fnmatch
print "---- Match file pattern using fnmatch ----"
print fnmatch.fnmatch(os.path.join(ex_path,"swapfile.swp"),"*.swp")
print fnmatch.fnmatchcase(os.path.join(ex_path,"SWAPFILE.swp"),"*.swp")
print fnmatch.fnmatchcase(os.path.join(ex_path,"waspfile.swp"),"*.swp")

# Prints False
print fnmatch.fnmatchcase(os.path.join(ex_path,"swapfile.SWP"),"*.swp")

fnmatch_pattern=fnmatch.translate("*.swp")
print fnmatch_pattern

reobj=re.compile(fnmatch_pattern)
print reobj

print reobj.match('swap.swp')

# Print set of files from a list of files
Files=['__init__.py', 'fnmatch_filter.py', 'fnmatch_fnmatch.py', 'fnmatch_fnmatchcase.py', 'fnmatch_translate.py', 'index.rst']
print 'Matches:', fnmatch.filter(Files,"*.py")