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https://issues.apache.org/jira/browse/IO-486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14996681#comment-14996681
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Sebb commented on IO-486:
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I've just discovered https://issues.apache.org/jira/browse/IO-453
The code that uses file.length() has already been removed in preparation for
the 2.5 release.
> FileUtils.readFileToString() can immediately return empty string if file
> length is zero
> ---------------------------------------------------------------------------------------
>
> Key: IO-486
> URL: https://issues.apache.org/jira/browse/IO-486
> Project: Commons IO
> Issue Type: Improvement
> Reporter: Viktor Isaev
>
> If {{file.length() == 0}}, there is no point of doing extra work of opening
> and closing an input stream - we can return an empty string right away.
> Same applies for {{FileUtils.readFileToByteArray()}} and
> {{FileUtils.readLines()}}.
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