Jim Hester created HADOOP-10998:
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Summary: Bash tab completion support for newer versions of hadoop
Key: HADOOP-10998
URL: https://issues.apache.org/jira/browse/HADOOP-10998
Project: Hadoop Common
Issue Type: Improvement
Components: scripts
Environment: Hadoop 2.0.0-cdh4.2.1
Reporter: Jim Hester
Priority: Trivial
Attachments: HADOOP-10998.patch
The included version of bash completion has not been updated in almost two
years and does not work correctly with more recent versions of Hadoop.
The command substitutions in the script were using backticks, which were
interpolating variables before they were executed and breaking the script. In
particular the awk commands were breaking due to this interpolation.
The attached patch changes the backticks to {{$(command)}} style for command
substitution and updates the script to work properly with newer versions of
hadoop.
I tested the script using {{zsh 5.0.5}}, {{zsh 4.3.10]}, {{bash-4.1.2}} and
{{bash-3.2}}. Hadoop versions tested were cloudera version {{2.0.0-cdh4.2.1}}
and briefly Apache {{2.5.0}}.
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