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Posted to issues@commons.apache.org by "Sergei Lebedev (JIRA)" <ji...@apache.org> on 2014/09/01 11:03:20 UTC
[jira] [Created] (CSV-130) CSVFormat#withHeader doesn't work well
with #printComment
Sergei Lebedev created CSV-130:
----------------------------------
Summary: CSVFormat#withHeader doesn't work well with #printComment
Key: CSV-130
URL: https://issues.apache.org/jira/browse/CSV-130
Project: Commons CSV
Issue Type: Improvement
Components: Printer
Affects Versions: 1.0
Reporter: Sergei Lebedev
Priority: Minor
For some applications it might be useful to add a top comment to the CSV file being printed. However, this isn't possible with #120 implemented the way it is. Here's an example:
{code}
public class Example {
public static void main(final String[] args) throws IOException {
final CSVPrinter csvPrinter = CSVFormat.TDF
.withCommentMarker('#')
.withHeader("foo", "bar")
.print(System.out);
csvPrinter.printComment("generated by yada v1.0");
csvPrinter.printComment("foo some description");
csvPrinter.printComment("bar more here");
csvPrinter.printRecord(42, 24);
csvPrinter.printRecord(24, 42);
}
}
// Outputs:
// foo bar
// # generated by yada v1.0
// # foo some description
// # bar more here
// 42 24
// 24 42
{code}
Obviously, there's a way to "fix" this: output the header in the first call to `#printRecord`, but it just doesn't feel right. What to do you think?
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