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https://issues.apache.org/jira/browse/HIVE-5046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13737008#comment-13737008
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Mark Grover commented on HIVE-5046:
-----------------------------------
Thanks Brock!
> Hcatalog's bin/hcat script doesn't respect HIVE_HOME
> ----------------------------------------------------
>
> Key: HIVE-5046
> URL: https://issues.apache.org/jira/browse/HIVE-5046
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Affects Versions: 0.11.0
> Reporter: Mark Grover
> Assignee: Mark Grover
> Fix For: 0.12.0
>
> Attachments: HIVE-5046.1.patch
>
>
> https://github.com/apache/hive/blob/trunk/hcatalog/bin/hcat#L81
> The quoted snippet (see below) intends to set HIVE_HOME if it's not set (i.e.
> HIVE_HOME is currently null).
> {code}
> if [ -n ${HIVE_HOME} ]; then
> {code}
> However, {{-n}} checks if the variable is _not_ null. So, the above code ends
> up setting HIVE_HOME to the default value if it is actually set already,
> overriding the set value. This condition needs to be negated.
> Moreover, {{-n}} checks requires the string being tested to be enclosed in
> quotes.
> Reference:
> http://tldp.org/LDP/abs/html/comparison-ops.html
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