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Wilson Mar

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The Swiss Army Knives


Grep Utilities

My version of the Grep utility that filters what is piped into it:

grep –version


grep (BSD grep) 2.5.1-FreeBSD

Grep filters what is piped into it:

grep “my string of text” -R

Install appium_console gem

gem uninstall -aIx appium_lib
gem uninstall -aIx appium_console
gem install --no-rdoc --no-ri appium_console

Install flaky gem. https://github.com/appium/flaky (posix-spawn)

gem uninstall -aIx flaky
gem install --no-rdoc --no-ri flaky

Grunt Setup

  1. What is the grunt version installed?

    grunt --version
  2. Install grunt:

    npm install -g grunt grunt-cli

Cron Launchd Background Jobs

This mentions that Apple has deprecated cron in favor of launchd (a daemon running under the System context). Since it’s a background process, it doesn’t present a user interface.

If the system is turned off or asleep, cron jobs do not execute until the next designated time occurs.

However, launchd job will run when the computer wakes up if the computer is asleep when the job should have run (if the StartCalendarInterval key has been set).

More on OSX

This is one of a series on Mac OSX: