bitwise-OR 2 binary files
Python with open(‘file1’, ‘rb’) as in1, open(‘file2’, ‘rb’) as in2, open(‘outfile’, ‘wb’) as out: while True: bytes1 = in1.read(1024) bytes2 = in2.read(1024) if … Read more
files
Emulating “while IFS= read -r line” in bash’s C-style for loop
I do fully agree with @ilkkachu here. But FWIW, to be able to use that read command as part of the for condition, … Read more
List files created on Sundays
In *nix operating systems there is no way to get the file creation date. mtime will give you last modification time and atime … Read more
Replace a string in a file and overwrite the file
Replace a string in a file and overwrite the file
Asking the user to select two items (which file & file format) before clicking download button
This situation is exactly the same as selecting variations in an online store before shopping: the client select the variation type first and … Read more
Can a file be edited with the ‘write’ permission on it but not on its parent directory?
As the other answers have stated: Yes, the file can be edited/modified. And, at the risk of splitting hairs, allow me to point … Read more
Delete all but the most recent n file for each group of files that share the same prefix in a directory
As requested, this answer tends towards “robust and safe” as you requested, as opposed to quick & dirty. Portability: This answer works on … Read more
CLI equivalent of Gnome’s recent files feature
Ideally, the CLI equivalent would do it via gvfs schemes so as to be able to use the recent:/// location as an argument, … Read more
Need design that allows users to pick from existing documents
You’ll want to figure out if your users are expecting to search or browse and design accordingly. If a user knows a document … Read more
Is there a way to tell the system to keep a folder to reside in memory?
Normally the system puts everything into cache as long there is free memory available, so normally this step does not seem to be … Read more
