PYTHON

how to read a file in python

# How to read, and print to the screen a file in python!

f = open('fileName', 'r')
print(f.read())
f.close()

# Where "fileName" is obviously the name of your file that you want to read.

open file python

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

python open file

fileName = "file_name.txt" #Here you need to write the file name as a string

openLike = "" #Here you need to write how do you want to open the file:
#"w": Write, "r": Read
openedFile = open("file_name.txt", openLike) #Here you open the file
fileText = openedFile.read() #This read all the file
openedFile.close() #Close the file
print(fileText) # Prints the file text

open and read a file in python

my_file = open("C:UsersPythonfile.txt", "r")
#Give the path accurately and use 
text = my_file.read()
print(text)

#Output: The text in file.txt will be printed

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()

read a file in python

lines = []
with open('the-zen-of-python.txt') as f:
    lines = f.readlines()

count = 0
for line in lines:
    count += 1
    print(f'line {count}: {line}')    
Code language: JavaScript (javascript)

how to open a file with python

x = open("filename.txt", "r")
print(x.read()) #if file is a txt file this will print the text
#Make sure the file is in the same directory as were your python file is opened in.
#you can also make a var out of your text by doing:
var = x.read() #or 
var = open("filename.txt", "r").read()

read a file python

# read, write, close a file
# catch error if raise
try:
    file = open("tryCatchFile.txt","w") 
    file.write("Hello World")

    file = open("tryCatchFile.txt", "r")
    print(file.read())
except Exception as e:
    print(e)
finally:
    file.close()

how to read files in python with

def file_reader(file):
    with open(file,'r') as infile:
        table = [row for row in infile]
    return table
print(file_reader('file.txt'))

open file python

# Open function to open the file "MyFile1.txt" 
# (same directory) in append mode and
file1 = open("MyFile.txt","a")
  
# store its reference in the variable file1 
# and "MyFile2.txt" in D:Text in file2
file2 = open(r"D:TextMyFile2.txt","w+")

how to open a file in python

#open any file that is in your folder you are using in your editor
import os
os.startfile('Gamepicture.jfif')

Open file with python

import os
my_computer = os.startfile("C:") # here c drive open this variable
print(my_computer)

opening files in python

f = open("test.txt", mode='r', encoding='utf-8')

file open in python

with open("cars.txt") as cars:   #open cars.txt file declaration  cars variable then assign cars.txt data
  	blue_cars = cars.read() #read cars.txt data and assign to blue_cars
    #advantage using this, implicitly applied cars.close() method

 ------Similar to ----
cars = open("cars.txt")
blue_cars = cars.read()
cars.close()

how to open a file in python

open("filename" , "mode")
# do whatever you want to do!!

read a file python

api_key = open(r'path/sanbox_api.txt').read()

how to open a file in python

spv = open("example.txt", "r")
print(spv.red())

# r, is to make the file readable but you can have more like: a - w - x - t - b

Syntax of Opening a File in python

File_object = open(r"File_Name","Access_Mode")

statement used to open a file in python

file_object  = open("filename", "mode") 

open file in python

import os

os.system('filename.extension')

Reading Files in Python

>>> f = open("test.txt",'r',encoding = 'utf-8')
>>> f.read(4)    # read the first 4 data
'This'

>>> f.read(4)    # read the next 4 data
' is '

>>> f.read()     # read in the rest till end of file
'my first file
This file
contains three lines
'

>>> f.read()  # further reading returns empty sting
''

Opening a File in python

file1 = open("SofthuntFile1.txt","a")
file2 = open(r"D:PythonTextSofthuntFile2.txt","w+")

how to read a file in python

# when you want to read the file from terminal in python use 
import sys
f = open(sys.argv[1])
line=f.readline()