pg_listen: trigger a shell command on a Postgres event

Super fast and lightweight. Written in C using libpq.

Usage

pg_listen postgres://db-uri channel-name shell-command

# for example
# pg_listen postgres://localhost/postgres hello "echo they said hi"

Building

Just clone the repo and run make. The makefile is compatible with BSD and GNU Make and requires only that libpq be installed on the system.