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https://issues.apache.org/jira/browse/GROOVY-8467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16356042#comment-16356042
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Jochen Theodorou commented on GROOVY-8467:
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I might be wrong, but Java readLine swallows any line ending on any platform. I
do not have to be on windows to be able to read a text file with windows line
endings correctly. I guess the problem is that not knowing if the line ending
is \r (Mac) or \r\n (Windows) is a problem, since it requires reading the
character after \r and if the stream does not support marking, you cannot go
back again.
> 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
> Attachments: Screenshot from 2018-02-05 13-30-03.png,
> groovy_test_linux.zip, groovy_test_win.zip
>
>
> 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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