And if your CSV is not so simple, then extract the number of "\n"-s found in the fields from the line count gathered by counting "\n"-s.
Or re-encode the csv into a "\n" counting io.Writer. nikolay nikolay a következőt írta (2021. április 9., péntek, 7:03:49 UTC+2): > If you CSV is simple, as in does not have multi-line values in columns, \n > in line ending — then you can create your own wrapper around io.Reader that > counts number of \n before returning to caller []bytes. > > -- Nikolay > > On Friday, April 9, 2021 at 1:50:10 AM UTC+8 peterGo wrote: > >> Dan, >> >> For Go 1.17: >> >> encoding/csv: add the ability to get the line number of a record #44221 >> https://github.com/golang/go/issues/44221 >> >> Peter >> >> On Thursday, April 8, 2021 at 12:36:27 PM UTC-4 yodanj...@gmail.com >> wrote: >> >>> My need is similar to issue #26679 but not the same. >>> >>> I am using 1.15.8 >>> >>> I have a need for the "current line number" when reading a csv file >>> (with Reader.Read() ) so that I can report errors in the data (not a >>> csv parsing error but errors in the data in the csv file). In my case, a >>> comment character is being used to allow my user to provide comments in the >>> file for easier maintainability of their csv data. Because of comments in >>> the file the record number and line number are not the same so any >>> reporting of errors to my user cannot point to any specific line number in >>> the file for the data error ... I have to either give info on the record to >>> my user or tell them the non-commented line number (neither being a >>> user-friendly option as they have to look through the file to see where the >>> real error is instead of going to a specific line number). >>> >>> Any way to get the true (starting) line number of the current record as >>> a file is being read using the Reader.Read() function? >>> >>> Thanks >>> Dan >>> >>> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/7d271822-3f71-41cd-b444-295500f9164an%40googlegroups.com.