Assembles slack channel messages into a podcast format. For OS X.
The OS X command line tool 'say', PHP 5.5, sox, and composer are required to install and use Slackcast.
brew install sox
composer install
Your slack username must be set to environment variable SLACK_USER. Your slack api key must be set to environment variable SLACK_API.
export SLACK_USER='myusername'
export SLACK_API='myapikey'
slackcast.php [channel] [audiofile.wav]