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How to create a file if the name does not exist?
You basically need: A way to Safely create a file if and only if it does not exist (this is what the tempfile hack affords us). A generator for filenames. A wrapping function to hide the mess. I defined a safe_open that can be used just like open: def iter_incrementing_file_names (path): “”” Iterate incrementing file names.
How to check if a file name exists in Python?
A great solution is to use a function that takes 2 arguments and returns the first non-existed filename available. On the first iteration, the function tries to check if filename without any number exists. If this filename is already taken, the function tries to apply a number 0 right before the file extension.
How to create uniquely named files in Python?
But if you are okay with using it anyway, this shows how you can create uniquely named files of the form file#.pdf in a specified directory such as /tmp: I was trying to implement the same thing in my project but @unutbu’s answer seemed too ‘heavy’ for my needs so I came up with following code finally:
How to check range name in Visual Basic?
You can run the below VBA code to quickly check if a certain range name exists in current workbook. 1. Press Alt + F11 keys simultaneously to open the Microsoft Visual Basic for Applications window. 2. In the Microsoft Visual Basic for Applications window, click Insert > Module.
How to create a file with a given name?
I want my script to create a file with a given name (via user input) but add number at the end if filename already exists. The following script can help you. You should not be running several copies of the script at the same time to avoid race condition.
How to add number to file name in Python?
If this filename is already taken, the function tries to apply a number 0 right before the file extension. If this filename is already taken too, the function adds +1 to this number until non-existed filename will be found. Another option is a function that takes file_path as an input argument.
How to create a new file in Python?
This function generates the next available non-already-existing filename, by adding a _1, _2, _3, etc. suffix before the extension if necessary: I haven’t tested this yet but it should work, iterating over possible filenames until the file in question does not exist at which point it breaks.
How to create a folder with Bash shell?
I need to achieve this on AIX server with bash. I only tested with your sample, so do a proper testing before using in a directory that contains important stuff. You should use logrotate! It can do this for you already, and you can just write to the same log file.
Which is the best script to write to the same log file?
You should use logrotate! It can do this for you already, and you can just write to the same log file. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers.