Merge pull request #11138 from spzala/lock10840
ETCDCTL_README: clarify the usage of ETCDCTL_* variablesrelease-3.5
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@ -16,7 +16,7 @@ ETCDCTL_CERT=/tmp/cert.pem
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ETCDCTL_KEY=/tmp/key.pem
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ETCDCTL_KEY=/tmp/key.pem
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```
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```
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Prefix flag strings with `ETCDCTL_`, convert all letters to upper-case, and replace dash(`-`) with underscore(`_`).
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Prefix flag strings with `ETCDCTL_`, convert all letters to upper-case, and replace dash(`-`) with underscore(`_`). Note that the environment variables with the prefix `ETCDCTL_` can only be used with the etcdctl global flags. Also, the environment variable `ETCDCTL_API` is a special case variable for etcdctl internal use only.
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## Key-value commands
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## Key-value commands
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