A meticulous coder probably wouldn't have typed out 40 URLs just because they want to move them from one file to another. They would copy-past them and run some

A meticulous coder probably wouldn't have typed out 40 URLs just because they want to move them from one file to another. They would copy-past them and run some sed-like commands. You could instruct an LLM agent to do something similar. For modifying a lot of files or a lot of lines, I instruct them to write a script that does what I need instead of telling them to do it themselves.