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https://issues.apache.org/jira/browse/HADOOP-6310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Mackrory updated HADOOP-6310:
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Attachment: HADOOP-6310.patch.1
After HADOOP-8795 I discovered other problems and this ticket. The 'hadoop'
executable has changed even more since Paul proposed his patch, so I've made
some additional changes to get it all working. I found that some of the
utilities used have very different versions across the major distros and this
caused some problems. I'd love it if this could get committed to trunk, but I'd
love it even more if anybody would be willing to source this on their system
and let me know if they still find any issues when trying to auto-complete. I
have:
*Removed auto-completion of commands that have been deprecated and/or removed
entirely.
*Changed RegEx's and other parameters to play nice with the versions of
utilities I tested with.
Also, the script originally parsed the built-in documentation to decide if each
parameter would be a local path or a remote path. With some commands it is no
longer trivial to determine which parameter is which, so I combine the results
from the local and distributed file systems. If there are multiple results that
will get listed, I append "(dfs)" or "(local)", but this addition should never
make it into the actual completion of what the user types.
My only lingering concern (other than compatibility with additional versions of
BASH, AWK, etc...) is that sometimes querying HDFS can take a second or two. It
_might_ make for a better user experience if the query timed out after a second
or so the terminal doesn't freeze up every time they hit 'tab', but overall I
think it would be worse, so I've left it as-is. Any thoughts on that?
> bash completion doesn't quite work.
> -----------------------------------
>
> Key: HADOOP-6310
> URL: https://issues.apache.org/jira/browse/HADOOP-6310
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.18.3
> Reporter: Paul Huff
> Priority: Trivial
> Attachments: HADOOP-6310.patch, HADOOP-6310.patch.1
>
>
> The bash completion script in src/contrib/bash-tab-completion/hadoop.sh
> doesn't quite work the way you'd expect it to against 18.3 (and I assume
> anything afterwards, since the author claimed compatibility with 16-20).
> It doesn't complete things like you'd expect against HDFS, and it doesn't
> have job-id completion.
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