# fswatch > A cross-platform file change monitor. > More information: . - Run a Bash command on file creation, update or deletion: `fswatch {{path/to/file}} | xargs -n 1 {{bash_command}}` - Watch one or more files and/or directories: `fswatch {{path/to/file}} {{path/to/directory}} {{path/to/another_directory/**/*.js}} | xargs -n 1 {{bash_command}}` - Print the absolute paths of the changed files: `fswatch {{path/to/directory}} | xargs -n 1 -I {} echo {}` - Filter by event type: `fswatch --event {{Updated|Deleted|Created}} {{path/to/directory}} | xargs -n 1 {{bash_command}}`