If all you care about is the current process, an easy way is to use the file object attribute "closed" f = open('file.py') if f.closed: print 'file is closed' This will not detect if the file is open by other processes! source: http://docs.python.org/2.4/lib/bltin-file-...
C# Function to Check if File Is Open C# function to play a base64 encoded mp3 C# generate a 15 digit always distinct numeric value C# Get a file name from Base64 string C# Get all text displayed in a different window C# Get Available IP From CIDR C# get content of invoke powershell ...
Thetry-exceptbranches are working similarly to anif-else statement. Pythontryto open the file, and if it works, append 'New Session'. Python will enter theexceptstatement if aFileNotFoundErroris thrown. This means the file doesn't exist, so we create a new one. ...
One of the simplest ways to check if a file exists in Python is by using theos.path.exists()function. This function is part of theosmodule, which provides a portable way of using operating system dependent functionality, such as reading or writing to the file system. Theos.path.exists()fun...
Check for empty or blank lines while reading a text file Check for open Excel file in all running instances of Excel using VB Check if a program is installed Check if an excel file is opened by another user Check if dataset values are NULL Check if File is Open Check if ListView Cont...
try:f=open("filename.txt")exceptFileNotFoundError:# doesn’t existelse:# exists Note: In Python 2 this was anIOError. Useos.path.isfile(),os.path.isdir(), oros.path.exists()¶ If you don’t want to raise an Exception, or you don’t even need to open a file and just need...
You can use Python to open, read, write, and close files. These operations will be instrumental if you do a lot of work with files, such as logs. As we mentioned above, it is good practice to check if the file exists before attempting to access a file. ...
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# import statement import os # checking file if not(os.path.exists("file.txt")): print("File does not exist") # creating & closing file fo = open("file.txt","wt") fo.close(); else: print("File exists") # checking again if os.path.exists("file.txt"): print("Now, file ...
Python Code: # Import the 'os' module to access operating system functionalities.importos# Define the path to a file or directory named 'abc.txt'.path="abc.txt"# Check if the path refers to a directory.ifos.path.isdir(path):# Print a message indicating that it is a directory.print("...