leech2 is a tool for tracking and replicating changes to CSV-based tables. It uses a git-like content-addressable block chain to store deltas and can generate SQL statements for replaying changes on target databases.
I wrote zeugl, a small C library that provides atomic file operations.
It offers drop-in replacements for open(2) and close(2), using temporary files and rename(2) to ensure updates are never partially written.
I recently wrote a blog post on implementing efficient file streams with librsync.
getopt_long(3)
In this blog post, I answer a commonly asked question on how to parse optional arguments with getopt_long(3).
© larsewi 2026