ytview update #2: mdfind & graceful exit

[JayBrown]

(1) mdfind stuff now in the else statement
(2) added integer checks for $titlenumber + exit 0

Pull Request Label:

• Bug
• New feature
• Enhancement
• New component
• Typo

Pull Request Checklist:

• Have you followed the guidelines for contributing?
• Have you checked that there aren't other open pull requests for the same fix or component?
• Have you ran the tests locally with bats tests?

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[JayBrown]

(Still some weird stuff with the tabs.)

[alexanderepstein]

Looks good at first glance, I will have to test this on my own mac either tonight or sometime this weekend, I wouldn't worry to much about the fact that the formatting is off for whatever reason, I will just push a commit to your repository formatting the code. Sorry I can't be faster with merging this but the changes are definitely larger so I want to make sure I can test it, and I am pretty busy with schoolwork at the moment but I will find the time. 👍

[JayBrown]

I've already saved my version to the ytview in my $PATH, so there is definitely no rush. And yeah, better safe than sorry, though it seems to be working here.

[alexanderepstein]

Sorry this taking longer than expected to test, have been very lately will try to get to it asap 👍

[alexanderepstein]

Sorry this took me so long to test but it seems to work well! Thanks again for your contribution 🎉