Ever need to download a file from a server – or get someone else to download a file from a server, who may not be comfortable with or should have access to scp or sftp? Turns out, if you have Python installed – and you probably do – it comes with a handy one-liner file server for just such an occasion: 1 python -m http.server 12345 # or whatever port you prefer ...
First get a working script. “Hey GPT-4, write me a ChatGPT script that does .” Manually check over the script and iterate until it’s giving me what I want. “Now wrap the script into a click command-line interface.” I almost always specify to use an --input flag and an --output flag. If the data it’s working with is human-readable, “Make it so that if --input is not specified, it reads data from stdin.” If the data it’s writing is human-readable, “Make it so that if --output is not specified, it emits data to stdout.” If the script is complicated enough that error logging is warranted: “Add logging and colorlog. Ensure all error messages are written to stderr so that it does not clash with output.” This advice is optimized for small Python scripts, usually under 200 lines in total, for automating semi-mundane tasks like ...