fswatch: Fix broken commands + simplifications

Without the `-n 1` argument to `xargs`, fswatch will will not trigger on
events.

pages/common/fswatch.md

@@ -4,16 +4,16 @@
 
 - Run a bash command on file creation, update or deletion:
 
-`fswatch -0 {{path/to/file}} | xargs -0 {{bash_command}}`
+`fswatch {{path/to/file}} | xargs -n 1 {{bash_command}}`
 
 - Watch one or more files and/or directories:
 
-`fswatch -0 {{path/to/file}} {{path/to/directory}} {{path/to/another_directory/**/*.js}} | xargs -0 {{bash_command}}`
+`fswatch {{path/to/file}} {{path/to/directory}} {{path/to/another_directory/**/*.js}} | xargs -n 1 {{bash_command}}`
 
-- Use `{}` in your bash command as a placeholder for the absolute path to the changed file:
+- Print the absolute paths of the changed files:
 
-`fswatch -0 {{path/to/directory}} | xargs -0 -I {} {{bash_command}}`
+`fswatch {{path/to/directory}} | xargs -n 1 -I {} echo {}`
 
 - Filter by event type, eg. Updated, Deleted or Created:
 
-`fswatch -0 --event {{Updated}} {{path/to/directory}} | xargs -0 {{bash_command}}`
+`fswatch --event {{Updated}} {{path/to/directory}} | xargs -n 1 {{bash_command}}`