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https://issues.apache.org/jira/browse/GROOVY-8467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16350213#comment-16350213
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Jochen Theodorou commented on GROOVY-8467:
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I think this behaves then similar to the readLine from Java, which also covers 
with [https://en.wikipedia.org/wiki/Newline] If the apt-guys decided to start a 
line with a linebreak, then this is actually the correct behaviour of readLine. 
So maybe it is behaving wrong for apt, but it is behaving correct for every 
windows text file.

> IOGroovyMethods class readLine method works unexpected in  
> -----------------------------------------------------------
>
>                 Key: GROOVY-8467
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8467
>             Project: Groovy
>          Issue Type: Bug
>         Environment: windows 7
>            Reporter: zhuxiaobing
>            Priority: Major
>
> i have a android aapt dump file
> i try to read the file use the code below:
>  
> {code:java}
> InputStreamReader inputReader = new InputStreamReader(dumpFile)
> String line = null
> while ((line = inputReader.readLine()) != null){
>     println(line)
> }
> {code}
> the dumpfile uses \r\n to start a new line, while the IOGroovyMethods
> readLineFromReaderWithoutMark method which called by readLine  method  is : 
> {code:java}
>  private static String readLineFromReaderWithoutMark(Reader input) throws 
> IOException {
>     int c = input.read();
>     if(c == -1) {
>         return null;
>     } else {
>         StringBuilder line;
>         for(line = new StringBuilder(expectedLineLength); c != EOF && c != 10 
> && c != 13; c = input.read()) {
>             char ch = (char)c;
>             line.append(ch);
>         }
>         return line.toString();
>     }
> }{code}
>  this casues an extra empty line read.



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