troubleshooting Question

How to get unique count on first column in a csv file using powershell script

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SURESH0518 asked on
Powershell
4 Comments3 Solutions4990 ViewsLast Modified:
I have a csv file with  two columns orderid,price
order_id,price
10000,90.00
10000,91.00
10001,100.00

I need unique count of order_id using powershell script.
my output should be 2 since unique orders 10000,10001
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