* Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of jobname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of clustername, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.

    //                                  --------------------
    /**
     * Set the value of hostname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

![s3a-config](https://github.com/minio/minio/blob/master/docs/bigdata/images/image5.png?raw=true "custom core-site")

```
sudo pip install yq
alias kv-pairify='yq ".configuration[]" | jq ".[]" | jq -r ".name + \"=\" + .value"'
```

    #   o url: (NotRequired - Default same as one of main schema)
    #   o schema: (NotRequired - Default treated as no schema setting)
    #   o user: (Required)
    #   o password: password plainly or path to password file (with default password)
    #       e.g. foo or df:dfprop/system-password.txt|foo
    #       (NotRequired - Default '')

when she got to the door, she found she had forgotten the
little golden key, and when she went back to the table for it,
she found she could not possibly reach it:  she could see it
quite plainly through the glass, and she tried her best to climb
up one of the legs of the table, but it was too slippery;
and when she had tired herself out with trying,
the poor little thing sat down and cried.

when she got to the door, she found she had forgotten the
little golden key, and when she went back to the table for it,
she found she could not possibly reach it:  she could see it
quite plainly through the glass, and she tried her best to climb
up one of the legs of the table, but it was too slippery;
and when she had tired herself out with trying,
the poor little thing sat down and cried.