[ferret_users] How to get number of variables from nc file

To: ferret users <ferret_users@xxxxxxxx>

Subject: [ferret_users] How to get number of variables from nc file

From: Satyesh Ghetiya <satyeshghetiya@xxxxxxxxx>

Date: Mon, 3 Jun 2019 12:27:44 +0530

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Dear all,,

Suppose I have an .nc file with 9 variables in it (say v1, v2, v3 . . . . v9).

How to get number of variables from any such .nc file (without counting manually from .nc) ? ( I want a command which gives 19 as answer in above example)

Sincerely,

G Satyesh,

India.