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https://issues.apache.org/jira/browse/HBASE-13229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360559#comment-14360559
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Sean Busbey commented on HBASE-13229:
-------------------------------------
I think it's a better idea to standardize on bash. The reason this didn't come
up before is that the system shell _is_ bash on many distros. It happens to be
dash on ubuntu, which is stricter on posix. My guess is that's why this falls
over there.
> Bug compatibility validation to start local-regionservers.sh and
> local-master-backup.sh
> ---------------------------------------------------------------------------------------
>
> Key: HBASE-13229
> URL: https://issues.apache.org/jira/browse/HBASE-13229
> Project: HBase
> Issue Type: Bug
> Components: scripts
> Affects Versions: 0.94.0, 0.98.0, 1.0.0
> Reporter: Gustavo Anatoly
> Assignee: Gustavo Anatoly
> Priority: Minor
> Labels: beginner
> Attachments: HBASE-13229.patch
>
>
> Running the following line, using /bin/sh:
> $ bin/local-regionservers.sh --config ~/hbase-dev/hbase-conf/conf/ start 1 2
> 3 4 5
> Produces the output below:
> bin/local-regionservers.sh: 55: bin/local-regionservers.sh: [[: not found
> Invalid argument
> bin/local-regionservers.sh: 55: bin/local-regionservers.sh: [[: not found
> Invalid argument
> bin/local-regionservers.sh: 55: bin/local-regionservers.sh: [[: not found
> Invalid argument
> bin/local-regionservers.sh: 55: bin/local-regionservers.sh: [[: not found
> Invalid argument
> bin/local-regionservers.sh: 55: bin/local-regionservers.sh: [[: not found
> Invalid argument
> Considering:
> {code}
> if [[ "$i" =~ ^[0-9]+$ ]]; then
> run_master $cmd $i
> else
> echo "Invalid argument"
> fi
> {code}
> The reasons is that the regex operator =~ doesn't have compatibility with
> /bin/sh but works running /bin/bash
> $ bash -x bin/local-regionservers.sh --config ~/hbase-dev/hbase-conf/conf/
> start 1 2 3 4 5
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