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Return error during JoinFiles back to the caller for inspection

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This commit is contained in:
Harshavardhana
2015-03-20 03:17:08 -07:00
parent 8859232f93
commit a8056c4c12
2 changed files with 12 additions and 6 deletions
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9
pkg/utils/split/split.go
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@@ -103,11 +103,12 @@ func splitStreamGoRoutine(reader io.Reader, chunkSize uint64, ch chan Message) {
// fmt.Println(buf)
// }
//
func JoinFiles(dirname string, inputPrefix string) io.Reader {
func JoinFiles(dirname string, inputPrefix string) (io.Reader, error) {
reader, writer := io.Pipe()
fileInfos, readError := ioutil.ReadDir(dirname)
if readError != nil {
writer.CloseWithError(readError)
return nil, readError
}
var newfileInfos []os.FileInfo
@@ -118,11 +119,13 @@ func JoinFiles(dirname string, inputPrefix string) io.Reader {
}
if len(newfileInfos) == 0 {
writer.CloseWithError(errors.New("no files found for given prefix"))
nofilesError := errors.New("no files found for given prefix " + inputPrefix)
writer.CloseWithError(nofilesError)
return nil, nofilesError
}
go joinFilesGoRoutine(newfileInfos, writer)
return reader
return reader, nil
}
func joinFilesGoRoutine(fileInfos []os.FileInfo, writer *io.PipeWriter) {