Work with value returned from Invoke-RestMethod

Question

I am very new to powershell and I don't know what to do. I have the following code

$rest = Invoke-RestMethod -Uri https://blockchain.info/balance?active=3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP

$rest outputs:

$rest

3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP                                 
----------------------------------                                 
@{final_balance=150050010291; n_tx=20; total_received=150050010291}

How can i load the value of final_balance into a variable?

$var = $rest.3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP.final_balance ? — Theo
That returns an error "+ FullyQualifiedErrorId : MissingPropertyName" — user3801967

Vivere Vivere · Accepted Answer · 2021-04-25T17:18:51

Because of the fact that 3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP starts with a digit, you get an error when trying to access that property with the syntax $rest.3P.... What you can do instead, is wrapping it in a string like: $rest."3P..". See the below results:

> $rest = Invoke-RestMethod -Uri https://blockchain.info/balance?active=3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP

3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP
----------------------------------
@{final_balance=150050010291; n_tx=20; total_received=150050010291}

> $rest.3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP

ParserError:
Line |
   1 |  $rest.3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP
     |        ~
     | Missing property name after reference operator.

> $rest."3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP"

final_balance n_tx total_received
------------- ---- --------------
 150050010291   20   150050010291

> $final_balance = $rest."3PyoQHou1BQeJnbkpKpgQNxF8wk3EXXVHP".final_balance
> $final_balance

150050010291

In the terminal, you can press Ctrl+Space to get some autocomplete. Maybe this depends on the terminal, but if it works, it is really helpful for navigating into properties and getting recommendations.

Work with value returned from Invoke-RestMethod

1 Answers