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https://issues.apache.org/jira/browse/NUTCH-1526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14002357#comment-14002357
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Julien Nioche commented on NUTCH-1526:
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Can't access the review board for it at this minute but without looking at the
code : we already have a segment reader that can read, filter and dump the
content of one or more segments. Why don't we extend it with a new function
(e.g. -dumpBinary) instead of having a new separate class for this which would
have a large code overlap with it.
> Create SegmentContentDumperTool for easily extracting out file contents from
> SegmentDirs
> ----------------------------------------------------------------------------------------
>
> Key: NUTCH-1526
> URL: https://issues.apache.org/jira/browse/NUTCH-1526
> Project: Nutch
> Issue Type: New Feature
> Reporter: Chris A. Mattmann
> Labels: content, dumper, nutch, tools
>
> It only took me 1.2 years, but I finally got around to it. This patch will
> deliver a SegmentContentDumper tool per the description here:
> http://s.apache.org/kv
> And per the interface here:
> {noformat}
> ./bin/nutch org.apache.nutch.tools.SegmentContentDumper [options]
> -segmentRootDir full file path to the root segment directory, e.g.,
> crawl/segments
> -regexUrlPattern a regex URL pattern to select URL keys to dump from the
> content DB in each segment
> -outputDir The output directory to write file names to.
> -metadata --key=value where key is a Content Metadata key and value is a
> value to check.
> {noformat}
> If the URL and its content metadata have a matching key,value pair, dump it.
> Allow for regex matching on the value.
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