Metasploit Revealed: Secrets of the Expert Pentester

Working with strings

Strings are objects that represent a stream or sequence of characters. In Ruby, we can assign a string value to a variable with ease as seen in the previous example. By simply defining the value in quotation marks or a single quotation mark, we can assign a value to a string.

It is recommended to use double quotation marks because if single quotations are used, it can create problems. Let's have a look at the problem that may arise:

    irb(main):005:0> name = 'Msf Book'
    => "Msf Book"
    irb(main):006:0> name = 'Msf's Book'
    irb(main):007:0' '

We can see that when we used a single quotation mark, it worked. However, when we tried to put Msf's instead of the value Msf, an error occurred. This is because it read the single quotation ...