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https://issues.apache.org/jira/browse/MAPREDUCE-6461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14711377#comment-14711377
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Ted Malaska commented on MAPREDUCE-6461:
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I made this a long time ago and I know it works, because I've seen it work at a
number of companies.
Let me know if you want me to add this to the MapReduce project.
https://github.com/tmalaska/CopybookInputFormat
:)
> An implementation of RecordReader/FileInputFormat for generic binary data
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-6461
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6461
> Project: Hadoop Map/Reduce
> Issue Type: Wish
> Components: mrv2
> Reporter: Dustin Cote
> Priority: Minor
>
> It would be nice to have a RecordReader implementation designed for binary
> data for ETL processing (especially for mainframe encodings like EBCDIC).
> Currently, we have:
> http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/FixedLengthInputFormat.html
> This is great for fix length fields, but it would be even better if we could
> delimit records by a byte string dynamically.
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