File globbing alternation should be able to span path components
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Key: HADOOP-3498
URL: https://issues.apache.org/jira/browse/HADOOP-3498
Project: Hadoop Core
Issue Type: Improvement
Components: fs
Reporter: Tom White
For example, {/a/b,/c/d} should expand to /a/b and /c/d. This change would also
permit a consistent syntax for specifying multiple input paths to MapReduce,
streaming and Pig by specification of a single glob path with alternation
{/a/b,/c/d}, rather than a collection of comma separated glob paths /a/b,/c/d.
This change would also make globbing more consistent with bash, which supports
this feature.
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