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https://issues.apache.org/jira/browse/KNOX-1833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sarah S updated KNOX-1833:
--------------------------
Component/s: KnoxShell
> Knox gateway Couldn't come up when ran on Korn Shell
> -----------------------------------------------------
>
> Key: KNOX-1833
> URL: https://issues.apache.org/jira/browse/KNOX-1833
> Project: Apache Knox
> Issue Type: Improvement
> Components: KnoxShell
> Affects Versions: 1.2.0, 1.3.0
> Environment: Knox
> Korn Shell
> Reporter: Sarah S
> Priority: Minor
>
> {{APP_BIN_DIR="$( cd "$( dirname "$\{BASH_SOURCE[0]}" )" && pwd )"}}
> When the script is running in Korn shell, $\{BASH_SOURCE[0]} is always empty
> and this is because $\{BASH_SOURCE[0]} is valid only for Bash shell. Thus,
> the path is not constructed correctly. Later on when we have any other
> installation scripts running, it is unable to find gateway.sh since the Bash
> Source is not inclusive of Korn shell path to the gateway.sh.
> However we did find a work around for it. A simple script has to be added
> into the gateway.sh script. It basically checks for two kinds of shells:
> either Bash or Korn and then adds the path according to whatever the type is.
> Here's what the code snippet looks like:
>
> {code:java}
> if [ $SHELL == '/bin/bash' ] || [ $SHELL == '/bin/sh' ]
> then
> THIS_SCRIPT=${BASH_SOURCE[0]}
> echo $THIS_SCRIPT
> elif [ $SHELL == '/bin/ksh' ]
> then
> THIS_SCRIPT=${.sh.file}
> echo $THIS_SCRIPT
> else echo NO MATCH.
> fi
> APP_BIN_DIR="$( cd "$( dirname ${THIS_SCRIPT} )" && pwd )"
> {code}
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