AS
AS
Python
open()
- "w" = write access
- “+” to create the file if it doesn't already exist
- “a” = append
- “r” = read
write()
read()
Codice
f = open("newFile.txt", "w+")
f.write("first line\rsecond line")
f.close
Content of newFile.txt
first line
second line
Codice
f = open("newFile.txt", "a")
f.write("\rappended line")
f.close
Content of newFile.txt
first line
second line
appended line
Codice
f = open("newFile.txt", "w")
f.write("Overwritten content\rsecond line")
f.close
Content of newFile.txt
Overwritten content
second line
read()
Codice
f = open("newFile.txt", "r")
c = f.read()
f.close
print(c)
Output
Overwritten content
second line
readlines()
Codice
f = open("newFile.txt", "r")
for i in enumerate(f.readlines()):
print(i[0], "\t", i[1])
f.close
Output
0Overwritten content
1second line
path.exists()
path.isfile()
path.isdir()
path.isfile()
path.isdir()
Codice
import os
from os import path
print(path.exists("newFile.txt"))
print(path.isfile("newFile.txt"))
print(path.isdir("newFile.txt"))
Output
True
True
False
path.realpath()
path.split()
path.split()
Codice
import os
from os import path
p = path.realpath("newFile.txt")
print(p)
s = path.split(p)
print(s[0])
print(s[1])
Output
C:\Users\pc\Desktop\prove\newFile.txt
C:\Users\pc\Desktop\prove
newFile.txt
path.getmtime()
Return the last modification time of the file.
Return the last modification time of the file.
Codice
import os
from os import path
import time
mt = path.getmtime("newFile.txt")
print(mt)
t = time.ctime(mt)
print(t)
Output
1713497639.5097
Fri Apr 04 05:33:59 2024
shutil.copy()
shutil.copystat() (copy file metadata)
shutil.copystat() (copy file metadata)
Codice
import shutil
shutil.copy("newFile.txt", "newFile.txt.bkp")
shutil.copy("newFile.txt", "newFile.txt.bkpStat")
shutil.copystat("newFile.txt", "newFile.txt.bkpStat")
Example
os.rename()
Codice
import os
os.rename("newFile.txt.bkpStat", "newFile.txt.bkpStat_rev")
Example
