Benjamin BENOIST created BEAM-3224:
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Summary: Add support for path with braces for Google Cloud Storage
Key: BEAM-3224
URL: https://issues.apache.org/jira/browse/BEAM-3224
Project: Beam
Issue Type: Improvement
Components: sdk-java-gcp
Reporter: Benjamin BENOIST
Assignee: Chamikara Jayalath
Priority: Minor
At the moment we can not use braces in Google Cloud Storage paths, as explained
[here|https://stackoverflow.com/questions/46977552/filebasedsource-not-able-to-understand-a-glob-corresponding-to-several-specific].
The path is backed by a file pattern defined as a Java glob and is then then
expanded to a regex in
_sdks/java/extensions/google-cloud-platform-core/src/main/java/org/apache/beam/sdk/util/GcsUtil.java_
in the _wildcardToRegexp_ function.
{{gs://bucket/{file1,file2,file3}}} should match {{gs://bucket/file1}},
{{gs://bucket/file2}} and {{gs://bucket/file3}}
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