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https://issues.apache.org/jira/browse/BEAM-76?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15180435#comment-15180435
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Luke Cwik commented on BEAM-76:
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What if instead of a FileBasedSource taking a list of files/globs, we support a
generic concat source that allows you to join multiple custom sources.
This would allow mixed mode sources in addition to implicitly supporting
multiple files/globs by concatenating multiple single file/glob FileBasedSources
> FileBasedSource should take a list of files/globs
> -------------------------------------------------
>
> Key: BEAM-76
> URL: https://issues.apache.org/jira/browse/BEAM-76
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Daniel Halperin
>
> FileBasedSource takes a [single
> glob|https://github.com/GoogleCloudPlatform/DataflowJavaSDK/blob/master/sdk/src/main/java/com/google/cloud/dataflow/sdk/io/FileBasedSource.java#L96].
> If the user wants to read from an explicit file list or multiple globs they
> have to use multiple sources and Flatten. This seems like an oversight.
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