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From "Derek Baum (JIRA)" <j...@apache.org>
Subject [jira] Created: (FELIX-2433) [gogo] allow command expansion inside double quotes
Date Mon, 21 Jun 2010 12:58:22 GMT
[gogo] allow command expansion inside double quotes

                 Key: FELIX-2433
                 URL: https://issues.apache.org/jira/browse/FELIX-2433
             Project: Felix
          Issue Type: Improvement
          Components: Gogo runtime
    Affects Versions: gogo-0.6.0
            Reporter: Derek Baum
            Assignee: Derek Baum
            Priority: Minor
             Fix For: gogo-0.8.0

currently, gogo does not allow command execution inside double quotes, so for example many
operations must be done in multiple stages, first assigning the result to a variable, for
later inclusion in a double quoted string:

val = ($props get "framework-packages")
packages = $val

val = ($props get "jre-1.6")
packages = "$packages, $val"

val = ($props get "sun-packages")
packages = "$packages, $val"

The improvement suggested is to make "$(...)" expand to execution within string variable expansion:

packages = "$($props get framework-packages), $($props get 'jre-1.6'), $($props get 'sun-packages')"

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