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From "Vladimir Eatwell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CSV-200) CSVFormat cannot read its own output if input contain escape character followed by quote character
Date Mon, 24 Oct 2016 13:18:58 GMT

    [ https://issues.apache.org/jira/browse/CSV-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15601952#comment-15601952
] 

Vladimir Eatwell commented on CSV-200:
--------------------------------------

Here's another case where the delimiter is ignored due to an escape character at the end of
the first value:
{code}
    @Test
    public void parseFailure2() throws Exception {
        CSVFormat formatter = CSVFormat.EXCEL;
        formatter = formatter.withDelimiter(',');
        formatter = formatter.withQuote('"');
        formatter = formatter.withEscape('\\');
        formatter = formatter.withNullString("NULL");
        formatter = formatter.withIgnoreSurroundingSpaces(true);
        formatter = formatter.withQuoteMode(QuoteMode.MINIMAL);

        String formatted = formatter.format("bob\\", "token");
        List<CSVRecord> parsed = formatter.parse(new StringReader(formatted)).getRecords();
        for (CSVRecord record : parsed) {
            assertThat(record.size(), is(2));
        }
    }
{code}

> CSVFormat cannot read its own output if input contain escape character followed by quote
character
> --------------------------------------------------------------------------------------------------
>
>                 Key: CSV-200
>                 URL: https://issues.apache.org/jira/browse/CSV-200
>             Project: Commons CSV
>          Issue Type: Bug
>          Components: Parser
>    Affects Versions: 1.4
>            Reporter: Vladimir Eatwell
>
> I can format CSV using CSVFormat that is subsequently unparsable by CSVFormat, the test
below illustrates the failure:
> {code}
> import org.apache.commons.csv.CSVFormat;
> import org.apache.commons.csv.CSVRecord;
> import org.apache.commons.csv.QuoteMode;
> import org.junit.Test;
> import java.io.StringReader;
> import java.util.List;
> public class CSVFormatTest {
>     @Test
>     public void parseFailure() throws Exception {
>         CSVFormat formatter = CSVFormat.DEFAULT;
>         formatter = formatter.withDelimiter(',');
>         formatter = formatter.withQuote('*');
>         formatter = formatter.withEscape('/');
>         formatter = formatter.withNullString("NULL");
>         formatter = formatter.withIgnoreSurroundingSpaces(true);
>         formatter = formatter.withQuoteMode(QuoteMode.MINIMAL);
>         String formatted = formatter.format("bob/*", "token");
>         List<CSVRecord> parsed = formatter.parse(new StringReader(formatted)).getRecords();
>         for (CSVRecord record : parsed) {
>             System.out.println(record.size());
>         }
>     }
> }
> {code}



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