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I get this error. How to fix this?

$ pubmed advance-search [2023-05-29 11:08:50 Eutils validate_api_key WARNING MainThread:234] API_KEY not found! Use eutils with a api_key is a good idea!

I tried the command $ export NCBI_API_KEY=xxxx

But I keep getting this message.

TraPS-VarI
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1 Answers1

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Solved it by repeating the execution of the command export NCBI_API_KEY=xxxx. Eventually, it accepted :)

TraPS-VarI
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