C:\projeto>irb
irb(main):001:0> `cd`
=> "C:\\projeto\n"

How i change the path that the command will be executed ?

What must happen:

C:\projeto>irb
irb(main):001:0> YOUR_MAGIC_COMMAND("C:\\projeto\\blablabla")
irb(main):002:0> `cd`
=> "C:\\projeto\\blablabla\n"

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