Commandline

Why variables changed inside a Bash pipeline may remain unchanged outside it, and how the lastpipe option alters that behaviour.

A Hazel workflow that extracts text from financial-statement PDFs, renames them consistently, and imports them into DEVONthink with tags.

Introducing sterilize-ng, a composable command-line tool for stripping tracking information from URLs.

Converting comma-separated vocabulary lists into Markdown bullets with command-line text-processing tools.

Why common whitespace escapes fail in macOS sed, and how POSIX character classes provide working alternatives.