Import OS
# 1. switching paths =============
D = The os.getcwd () # Get the current working directory
the os.chdir ( ' D: \\ ' ) # handover directory
Print ( os.getcwd ())
# (how to switch it back to the past? re chdir bit on the back)
os.chdir (d)
Print (os.getcwd ())
# 2. order execution system ========= ====
# system and execute system commands are popen, but popen relatively easy, because it has a return value
the os.system ( ' the dir ' ) # shows gbk encoding,
# solutions garbled system
ret = os.popen, ( ' the dir ' ) # popen value is returned, and their transcoded
Print (ret.read ())
# 3. Create a folder and create a file = ==========
os.mkdir ( ' the TEMP ' ) # generate a folder ,, can only generate a
os.mkdir (r ' temp2 \ Inner ' ) # this being given a
os.makdirs (r ' temp1 \ Inner ' , exist_ok = True) # create multi-level directory
os.makdirs (r ' temp1 \ Inner \ Inner2 ' , exist_ok = True) # create multi-level directory
# that if the folder already exists, on the error, if I do not want to
# make an error (that is, if present, would not create nor error), then add = True exist_ok
# create the file
f = Open (R & lt ' temp1 \ Inner \ File' , ' W ' )
f.close ()
# . 4. ====== Renaming Folders =====
os.rename (R & lt ' temp1 \ Inner \ Inner2 ' , ' temp1 \ Inner \ Haiyan ' )
# 5. ===== delete folders and delete files =========
# to delete files,
os.remove (r ' temp1 \ Inner \ file ' )
# and then delete the folder
os.removedirs ( r ' temp1 \ Inner \ Haiyan ' ) # delete when a folder on a file if a folder is empty, along with deleted. So
os.rmdir ((r ' temp1 \ Inner ' )) # removes only one folder
#6. subdirectory ========
Print (os.listdir (os.getcwd ())) # print the current directory of
Print (os.walk (os.getcwd ())) # <Object Generator Walk 0x00000000021C6728 aT>
RET = os.walk (os.getcwd ()) # get something more, if you care about something in a subdirectory, use Walk
Print (List (RET))
# 7. ==== get structural information of the file or directory Description ========
Print (the os.stat ( ' the TEMP ' ))
# st_atime: time last visited
# st_mtime: last modification time
# st_ctime: latest update
Print (os.sep) # printing is \
Print (the os.getcwd ())
file_path = 'S% S% S% ' % (The os.getcwd (), os.sep, ' filename ' ) # splicing a path (embodiment a)
Print (file_path)
Print (the os.path.join (The os.getcwd (), ' filename ' )) # splicing a path (second approach)
# 8. ==== string indicating the current use of internet
Print (the os.name) # If win, if the print is that nt, linux, print poxis
# applications scene: when you enter a command, to determine a win or linux system system. Can be used
# The os.name to judge the
# 9. === acquisition system environment variables =====
Print (os.environ)
# 10. The path associated =======
Print (the os.path. ABSPATH ( ' namedtuple.py '))
print(os.path.dirname(os.path.abspath('namedtuple.py')))
print(os.path.dirname(os.path.dirname(os.path.abspath('namedtuple.py'))))
print(os.path.exists(os.path.abspath('namedtuple.py')))
Import OS
# 1. switching paths =============
D = The os.getcwd () # Get the current working directory
the os.chdir ( ' D: \\ ' ) # handover directory
Print ( os.getcwd ())
# (how to switch it back to the past? re chdir bit on the back)
os.chdir (d)
Print (os.getcwd ())
# 2. order execution system ========= ====
# system and execute system commands are popen, but popen relatively easy, because it has a return value
the os.system ( ' the dir ' ) # shows gbk encoding,
# solutions garbled system
ret = os.popen, ( ' the dir ' ) # popen value is returned, and their transcoded
Print (ret.read ())
# 3. Create a folder and create a file = ==========
os.mkdir ( ' the TEMP ' ) # generate a folder ,, can only generate a
os.mkdir (r ' temp2 \ Inner ' ) # this being given a
os.makdirs (r ' temp1 \ Inner ' , exist_ok = True) # create multi-level directory
os.makdirs (r ' temp1 \ Inner \ Inner2 ' , exist_ok = True) # create multi-level directory
# that if the folder already exists, on the error, if I do not want to
# make an error (that is, if present, would not create nor error), then add = True exist_ok
# create the file
f = Open (R & lt ' temp1 \ Inner \ File' , ' W ' )
f.close ()
# . 4. ====== Renaming Folders =====
os.rename (R & lt ' temp1 \ Inner \ Inner2 ' , ' temp1 \ Inner \ Haiyan ' )
# 5. ===== delete folders and delete files =========
# to delete files,
os.remove (r ' temp1 \ Inner \ file ' )
# and then delete the folder
os.removedirs ( r ' temp1 \ Inner \ Haiyan ' ) # delete when a folder on a file if a folder is empty, along with deleted. So
os.rmdir ((r ' temp1 \ Inner ' )) # removes only one folder
#6. subdirectory ========
Print (os.listdir (os.getcwd ())) # print the current directory of
Print (os.walk (os.getcwd ())) # <Object Generator Walk 0x00000000021C6728 aT>
RET = os.walk (os.getcwd ()) # get something more, if you care about something in a subdirectory, use Walk
Print (List (RET))
# 7. ==== get structural information of the file or directory Description ========
Print (the os.stat ( ' the TEMP ' ))
# st_atime: time last visited
# st_mtime: last modification time
# st_ctime: latest update
Print (os.sep) # printing is \
Print (the os.getcwd ())
file_path = 'S% S% S% ' % (The os.getcwd (), os.sep, ' filename ' ) # splicing a path (embodiment a)
Print (file_path)
Print (the os.path.join (The os.getcwd (), ' filename ' )) # splicing a path (second approach)
# 8. ==== string indicating the current use of internet
Print (the os.name) # If win, if the print is that nt, linux, print poxis
# applications scene: when you enter a command, to determine a win or linux system system. Can be used
# The os.name to judge the
# 9. === acquisition system environment variables =====
Print (os.environ)
# 10. The path associated =======
Print (the os.path. ABSPATH ( ' namedtuple.py '))
print(os.path.dirname(os.path.abspath('namedtuple.py')))
print(os.path.dirname(os.path.dirname(os.path.abspath('namedtuple.py'))))
print(os.path.exists(os.path.abspath('namedtuple.py')))
