Colin Patrick McCabe created HDFS-5062:
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Summary: org.apache.hadoop.fs.Df should not use bash -c
Key: HDFS-5062
URL: https://issues.apache.org/jira/browse/HDFS-5062
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Colin Patrick McCabe
Priority: Minor
{{org.apache.hadoop.fs.Df}} shouldn't use {{bash -c}}. The only reason why it
is using it right now is to combine stderr and stdout, something that can be
done easily from Java.
{{bash}} may not be present on all systems, so having it as a dependency is
undesirable. There are also potential problems in cases where paths contain
shell metacharacters. Finally, having this code here encourages people to copy
this use of bash, potentially introducing more shell injection flaws.
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