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https://issues.apache.org/jira/browse/CSV-164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15021210#comment-15021210
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Gary Gregory commented on CSV-164:
----------------------------------
I just added this unit test:
{code:java}
@Test
public void testSkipHeaderOverrideDuplicateHeaders() throws Exception {
final Reader in = new StringReader("a,a,a\n1,2,3\nx,y,z");
final Iterator<CSVRecord> records = CSVFormat.DEFAULT.withHeader("X",
"Y", "Z").withSkipHeaderRecord()
.parse(in).iterator();
final CSVRecord record = records.next();
assertEquals("1", record.get("X"));
assertEquals("2", record.get("Y"));
assertEquals("3", record.get("Z"));
}
{code}
The input has columns all named {{"a"}}, which are overridden to X, Y and Z.
Problem solved, yes?
> support duplicate headers
> -------------------------
>
> Key: CSV-164
> URL: https://issues.apache.org/jira/browse/CSV-164
> Project: Commons CSV
> Issue Type: Bug
> Reporter: Romain Manni-Bucau
>
> nothing prevents a CSV to have the same time the same header name so
> validation at the end of org.apache.commons.csv.CSVFormat#validate should
> likely disappear or should support a flag to disable it
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