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https://issues.apache.org/jira/browse/BEAM-1168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15785346#comment-15785346
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Stas Levin commented on BEAM-1168:
----------------------------------
[[email protected]], is this issue till active?
I have tried to reproduce it using {{MinimalWordCount}} by setting the output
to "." like so: {{p.apply(TextIO.Write.to("."))}} and the output seems to be
written to {{temp-beam-.-2016-12-364_13-25-50}}, with subdirectories named as
UIDs (e.g. {{77715ed2-4124-4506-ae49-6a9ab447a469}}).
The output dir's name seems to be formatted like so in
{{FileBasedSink.FileBasedWriteOperation.TemporaryDirectoryBuilder#apply(...)}}:
{code:java}
baseOutputPath
.resolveSibling(
"temp-beam-"
+ baseOutputPath.getFileName()
+ "-"
+
now.toString(DateTimeFormat.forPattern("yyyy-MM-DD_HH-mm-ss")))
{code}
If {{".","..","~"}} are provided they will be embedded inside the
{{temp-beam....}} string without creating hidden files. The leaf files inside
this directory are named after UIDs so they will not be hidden as well. Am I
missing something?
> FileBaseSink: Handle output to locations such as ".", "~", or maybe ".."
> ------------------------------------------------------------------------
>
> Key: BEAM-1168
> URL: https://issues.apache.org/jira/browse/BEAM-1168
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Pei He
> Priority: Minor
>
> Currently, WordCount will write to hidden files if output is set to "." or
> "..".
> .-00002-of-00005
> ..-00002-of-00005
> Or ~-00002-of-00005, if the output is set to "~".
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