thisisnic commented on a change in pull request #10546:
URL: https://github.com/apache/arrow/pull/10546#discussion_r678171786
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File path: r/vignettes/fs.Rmd
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@@ -86,27 +98,48 @@ june2019 <-
SubTreeFileSystem$create("s3://ursa-labs-taxi-data/2019/06")
## Authentication
To access private S3 buckets, you need typically need two secret parameters:
-a `access_key`, which is like a user id,
-and `secret_key`, like a token.
+an `access_key`, which is like a user id,
+and a `secret_key`, like a token.
There are a few options for passing these credentials:
-1. Include them in the URI, like
`s3://access_key:secret_key@bucket-name/path/to/file`. Be sure to
[URL-encode](https://en.wikipedia.org/wiki/Percent-encoding) your secrets if
they contain special characters like "/".
+1. Include them in the URI, like
+`s3://access_key:secret_key@bucket-name/path/to/file`. Be sure to
+[URL-encode](https://en.wikipedia.org/wiki/Percent-encoding) your secrets if
+they contain special characters like "/".
-2. Pass them as `access_key` and `secret_key` to `S3FileSystem$create()` or
`s3_bucket()`
+2. Pass them as `access_key` and `secret_key` to `S3FileSystem$create()` or
+`s3_bucket()`
-3. Set them as environment variables named `AWS_ACCESS_KEY_ID` and
`AWS_SECRET_ACCESS_KEY`, respectively.
+3. Set them as environment variables named `AWS_ACCESS_KEY_ID` and
+`AWS_SECRET_ACCESS_KEY`, respectively.
-4. Define them in a `~/.aws/credentials` file, according to the [AWS
documentation](https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/credentials.html).
+4. Define them in a `~/.aws/credentials` file, according to the
+[AWS
documentation](https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/credentials.html).
You can also use an
[AccessRole](https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html)
-for temporary access by passing the `role_arn` identifier to
`S3FileSystem$create()` or `s3_bucket()`.
+for temporary access by passing the `role_arn` identifier to
+`S3FileSystem$create()` or `s3_bucket()`.
## File systems that emulate S3
+### Connecting to a local S3
Review comment:
```suggestion
### Connecting to a local S3 file system
```
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