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From "Pavel Melnikov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GROOVY-9014) printf does not respect "out" property
Date Fri, 01 Mar 2019 11:04:00 GMT
Pavel Melnikov created GROOVY-9014:
--------------------------------------

             Summary: printf does not respect "out" property
                 Key: GROOVY-9014
                 URL: https://issues.apache.org/jira/browse/GROOVY-9014
             Project: Groovy
          Issue Type: Bug
          Components: groovy-runtime
         Environment: Ubuntu 18.04.1,
            Reporter: Pavel Melnikov


I am using groovy to run dynamic scripts from my Java application. I use JSR223 for this.
I am overriding "out" property to redirect script stdout to my own consumer. However, I've
noticed that *printf* inside closures does not respect that property (it always prints to
stdout) while *println* perfectly complies (and prints to whatever specified).

 

I beleive this is because of the differences in printf and println in DefaultGroovyMethods.java:
in [https://github.com/apache/groovy/blob/master/src/main/java/org/codehaus/groovy/runtime/DefaultGroovyMethods.java#L849]

println uses closure owner while printf does simple System.out.



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