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https://issues.apache.org/jira/browse/GEODE-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573327#comment-16573327
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Juan José Ramos Cassella commented on GEODE-5531:
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This is only reproducible when {{gfsh}} is not running in {{HeadlessMode}}, the
variables are correctly substituted otherwise ({{gfsh run --file}} and
{{EchoCommandIntegrationTest}} work just fine).
> gfsh echo variable does not work as documented
> ----------------------------------------------
>
> Key: GEODE-5531
> URL: https://issues.apache.org/jira/browse/GEODE-5531
> Project: Geode
> Issue Type: Bug
> Components: gfsh
> Reporter: Derek Williams
> Assignee: Juan José Ramos Cassella
> Priority: Major
>
> Variables are [documented
> here|http://geode.apache.org/docs/guide/16/tools_modules/gfsh/useful_gfsh_shell_variables.html]
> to work with gfsh echo, but do not. This applies to both pre-defined shell
> variables and user-defined variables (set variable...).
> For example,
> {code}
> echo --string=$*
> {code}
> will show all shell variables and values, but
> {code}
> echo --string=${SYS_USER}
> {code}
> simply displays ${SYS_USER}
> Indeed,
> [EchoCommand.java|https://github.com/apache/geode/blob/78dcf4b8fa86543e882365e78f1c8e2a623bffde/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/EchoCommand.java]
> has a special case for `$*`, but does not include the other documented cases.
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