reflex

Run commands when files change

TLDR

Watch and run command

$ reflex [command]

Watch specific pattern

$ reflex -r '\.go$' [go build]

Watch directory

$ reflex -d [src/] [command]

Multiple patterns

$ reflex -r '\.go$' -r '\.html$' [command]

Start without initial run

$ reflex -s [command]

Decoration mode

$ reflex -d [.] -- [sh -c "echo changed"]

Exclude pattern

$ reflex -r '\.go$' -R 'vendor/' [command]

SYNOPSIS

reflex [-r regex] [-d dir] [-R exclude] [options] command

reflex watches files and runs commands on changes. It's a flexible file watcher for development.Regex patterns filter which files trigger. Multiple patterns combine for complex matching.Service mode runs a long-running process. The process restarts on changes.Exclusions ignore vendor directories or build output. Prevents unnecessary rebuilds.Configuration files define complex watch rules. Multiple watchers in one file.

PARAMETERS

-r REGEX

Include pattern.

-R REGEX

Exclude pattern.

-d DIR

Watch directory.

-s

Start service (no initial run).

-g GLOB

Glob pattern.

-c CONFIG

Config file.

--all

Match all files.

--decoration MODE

Output decoration.

CONFIGURATION

.reflex

Project-level configuration file defining watch rules, one per line, with regex patterns and commands. Loaded automatically when present in the current directory.