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From: Robert Klemme <shortcutter@googlemail.com>
Newsgroups: comp.lang.ruby
Subject: Re: Ruby File Auto-Run
Date: Fri, 16 Jun 2017 23:47:03 +0200
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On 16.06.2017 21:54, BeeRich33 wrote:

> Looking for a reliable ruby file reloader.  I've tried `kicker` and `filewatcher` with the latter being mostly reliable, but it too has issues loading newly installed gems.
> 
>      /users/rich/app.rb:76:in `require': cannot load such file -- pdf-reader (LoadError)

Could be an environment issue.  Does filewatcher modify the environment?

> For those not familiar with this sort of approach, I have a file `~/app.rb` that gets watched by one of these gems.  When it gets saved, an instruction gets sent so that the terminal display re-runs the file.
> 
>      filewatcher "/users/rich/app.rb" "clear; ruby /users/rich/app.rb"
> 
> Essentially, "Filewatcher, when this file is changed, run this bash script".  For the most part, works like a charm.  For some reason it trips on a `require`.
> 
> Any other gems out there that qualify?

Why use a gem?  Why not use inotifywatch directly?

http://manpages.ubuntu.com/manpages/xenial/en/man1/inotifywatch.1.html

You can explicitly watch for "close_write" which should be the time when 
you want to reexecute the program.

Cheers

	robert