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https://issues.apache.org/jira/browse/NUTCH-1863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17001954#comment-17001954
]
ASF GitHub Bot commented on NUTCH-1863:
---------------------------------------
sebastian-nagel commented on pull request #490: Fix for NUTCH-1863: Add JSON
format dump output to readdb command
URL: https://github.com/apache/nutch/pull/490#discussion_r360708465
##########
File path: src/java/org/apache/nutch/crawl/CrawlDbReader.java
##########
@@ -879,35 +960,37 @@ public void processTopNJob(String crawlDb, long topN,
float min,
}
-
- public int run(String[] args) throws IOException, InterruptedException,
ClassNotFoundException, Exception {
+ public int run(String[] args) throws IOException, InterruptedException,
+ ClassNotFoundException, Exception {
@SuppressWarnings("resource")
CrawlDbReader dbr = new CrawlDbReader();
if (args.length < 2) {
- System.err
- .println("Usage: CrawlDbReader <crawldb> (-stats | -dump <out_dir> |
-topN <nnnn> <out_dir> [<min>] | -url <url>)");
+ System.err.println(
+ "Usage: CrawlDbReader <crawldb> (-stats | -dump <out_dir> | -topN
<nnnn> <out_dir> [<min>] | -url <url>)");
System.err
.println("\t<crawldb>\tdirectory name where crawldb is located");
System.err
.println("\t-stats [-sort] \tprint overall statistics to
System.out");
System.err.println("\t\t[-sort]\tlist status sorted by host");
- System.err
- .println("\t-dump <out_dir> [-format normal|csv|crawldb]\tdump the
whole db to a text file in <out_dir>");
+ System.err.println(
+ "\t-dump <out_dir> [-format normal|csv|crawldb]\tdump the whole db
to a text file in <out_dir>");
Review comment:
Should also list the new JSON format: `-format ...|json` in the command-line
help...
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> Add JSON format dump output to readdb command
> ---------------------------------------------
>
> Key: NUTCH-1863
> URL: https://issues.apache.org/jira/browse/NUTCH-1863
> Project: Nutch
> Issue Type: New Feature
> Components: crawldb
> Affects Versions: 2.3, 1.10
> Reporter: Lewis John McGibbney
> Assignee: Shashanka Balakuntala Srinivasa
> Priority: Major
> Fix For: 1.17
>
>
> Opening up the ability for third parties to consume Nutch crawldb data as
> JSON would be a poisitive thing IMHO.
> This issue should improve the readdb functionality of both 1.X to enable JSON
> dumps of crawldb data.
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