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I have a file contains around million number of lines. In the lines I have a field called transactionid, which has repetitive values. What I need to do is to count them distinctly.

  No matter of how many times a value is repeated, it should be counted only once.

I have a file with one million lines. Each line has a field called transactionid, which has repetitive values. What I need to do is to count them distinctly. No matter how many times a value is repeated, it should be counted only once.

I have a file contains around million number of lines. In the lines I have a field called transactionid, which has repetitive values. What I need to do is to count them distinctly.

No matter of how many times a value is repeated, it should be counted only once.

Can someone please help in some way?

I have a file contains around million number of lines. In the lines I have a field called transactionid, which has repetitive values. What I need to do is to count them distinctly.

No matter of how many times a value is repeated, it should be counted only once.

I have a file contains around million number of lines. In the lines I have a field called transactionid, which has repeatitive values. What I need to do is to count them distinctly.

No matter of how many times a value is repeated, it should be counted only once.

Can you help with a way.

I have a file contains around million number of lines. In the lines I have a field called transactionid, which has repetitive values. What I need to do is to count them distinctly.

No matter of how many times a value is repeated, it should be counted only once.

Can someone please help in some way?