trusts too many services, expected only 1.

You may meet "Error: EMFILE: too many open files, watch" when running tests  in OS X.

A Regular expression for positive numbers, but also allow empty string.

Update error: Rate exceeded

You can fetch AWS CloudFormation information in Bash.

This example will show how to return value in the Bash function.

This example will show how to return value in the Bash function.

Define a function with parameter in Bash.

unary operator expected error in Bash if condition