Answers for "file.open() python"

22

python open file

with open('filename', 'a') as f: # able to append data to file
	f.write(var1) # Were var1 is some variable you have set previously
	f.write('data') 
	f.close() # You can add this but it is not mandatory 

with open('filename', 'r') as f: # able to read data from file ( also is the default mode when opening a file in python)

with open('filename', 'x') as f: # Creates new file, if it already exists it will cause it to fail

with open('filename', 't') as f: # opens the file in text mode (also is defualt)

with open('filename', 'b') as f: # Use if your file will contain binary data
  
with open('filename', 'w') as f: # Open file with ability to write, will also create the file if it does not exist (if it exists will cause it to fail)
  
with open('filename', '+') as f: # Opens file with reading and writing

# You can combine these as you like with the + for reading and writing
Posted by: Guest on February-27-2020
7

python with file.open

# Reference https://docs.python.org/3/library/functions.html#open

# Method 1
file = open("welcome.txt", "r") # mode can be r(read) w(write) and others 
data = file.read()
file.close()

# Method 2 - automatic close
with open("welcome.txt") as infile:
  data = file.read()
Posted by: Guest on May-08-2020
11

python file open

#there are many modes you can open files in. r means read.
file = open('C:Usersyournamefilesfile.txt','r')
text = file.read()

#you can write a string to it, too!
file = open('C:Usersyournamefilesfile.txt','w')
file.write('This is a typical string')

#don't forget to close it afterwards!
file.close()
Posted by: Guest on March-26-2020
7

python file reading

fin = open("NAME.txt", 'r')
body = fin.read().split("n")
line = fin.readline().strip()
Posted by: Guest on May-06-2020
2

python open file

def main():
    f= open("guru99.txt","w+")
    #f=open("guru99.txt","a+")
    for i in range(10):
         f.write("This is line %drn" % (i+1))
    f.close()
    #Open the file back and read the contents
    #f=open("guru99.txt", "r")
    #if f.mode == 'r':
    #   contents =f.read()
    #    print (contents)
    #or, readlines reads the individual line into a list
    #fl =f.readlines()
    #for x in fl:
    #print(x)
if __name__== "__main__":
  main()
Posted by: Guest on February-21-2020

Python Answers by Framework

Browse Popular Code Answers by Language