Checking the number of directories in an environmental variable

I was wondering if it was possible to count the number of directories in an environmental variable and if possible what command would do so in linux

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Hi there,

Would you mind clarifying this a little bit, are you referring to 1 specific environment variable that contains a list of directories? If so can you share an example of that environment variable so I could advise you further?

If you want to get a list fo all environment variables you could use the printenv command.