Hi,
As shown in the following figure, MySQL supports multi character separator import and export： And about [CSV-206](https://issues.apache.org/jira/projects/CSV/issues/CSV-206?filter=allopenissues), StackOverflow (https://stackoverflow.com/questions/8653797/java-csv-parser-with-string-separator-multi-character). There are people looking for support for multi character separators. It can be found in [CSV-206] that CsvHelper(https://github.com/JoshClose/CsvHelper) supports multi character separator, and miller(https://github.com/johnkerl/miller/blob/master/c/input/line_readers.h) also supprot. But It seems that there is no Java library support yet. Do commons CSV consider support? Chen At 2020-05-13 07:27:26, "Gary Gregory" <garydgreg...@gmail.com> wrote: >Hi, > >May you give an example where more than one character is used as a >separator? Is there a database or known tool out there that uses such a >format? > >WRT escaping I would think that \ escapes the one character that follows >only. It is up to the reader to decide what to do with an escape sequence. >Anyone else? > >Gary > >On Tue, May 12, 2020 at 7:42 AM Chen Guoping1 <chenguopingd...@163.com> >wrote: > >> Hi, all >> >> >> >> >> In CSV parsing, there are many scenarios where multiple characters are >> used as separators, >> >> To support this feature, we should change the char type of delimiter to >> String. This will lead to >> >> API changes, and old usage code may need to be modified to pass. >> >> >> >> >> When parsing we can get the character array in advance through >> lookAhead(int n) in the >> >> ExtendedBufferedReader to determine whether it is a delimiter >> >> >> >> >> char[] lookAhead(int n) throws IOException { >> >> char[] buf = new char[n]; >> >> super.mark(n); >> >> super.read(buf, 0, n); >> >> super.reset(); >> >> return buf; >> >> } >> >> >> >> >> I have a little problem to confirm. The escape character is' \ ', when >> delimiter is a char ',' >> printWithEscape print '\,' , so when delimiter is multiple characters >> "[|]" printWithEscape >> print ’“\[\|\]” or print "\[|]"? I'd prefer to print "\[\|\]". Is there >> more any suggestion about >> this feature ? >> >> >> —— >> Chen Guoping >> >> >> >> >> >> >> >>
