Adds the possiblility to append to files to obidistribute

pkg/obitools/obidistribute/distribute.go

@@ -36,6 +36,10 @@ func DistributeSequence(sequences obiiter.IBioSequence) {
 
 	opts = append(opts, obiformats.OptionsQualityShift(obiconvert.CLIOutputQualityShift()))
 
+	if CLIAppendSequences() {
+		opts = append(opts, obiformats.OptionsAppendFile())
+	}
+
 	var formater obiformats.SequenceBatchWriterToFile
 
 	switch obiconvert.CLIOutputFormat() {

pkg/obitools/obidistribute/options.go

@@ -2,9 +2,10 @@ package obidistribute
 
 import (
 	"fmt"
-	log "github.com/sirupsen/logrus"
 	"strings"
 
+	log "github.com/sirupsen/logrus"
+
 	"git.metabarcoding.org/lecasofts/go/obitools/pkg/obiseq"
 	"git.metabarcoding.org/lecasofts/go/obitools/pkg/obitools/obiconvert"
 	"github.com/DavidGamba/go-getoptions"
@@ -15,6 +16,7 @@ var _SequenceClassifierTag = ""
 var _BatchCount = 0
 var _HashSize = 0
 var _NAValue = "NA"
+var _append = false
 
 func DistributeOptionSet(options *getoptions.GetOpt) {
 	options.StringVar(&_FilenamePattern, "pattern", _FilenamePattern,
@@ -37,6 +39,10 @@ func DistributeOptionSet(options *getoptions.GetOpt) {
 		options.Alias("n"),
 		options.Description("Indicates in how many batches the input file must bee splitted."))
 
+	options.BoolVar(&_append, "append", _append,
+		options.Alias("A"),
+		options.Description("Indicates to append sequence to files if they already exist."))
+
 	options.IntVar(&_HashSize, "hash", 0,
 		options.Alias("H"),
 		options.Description("Indicates to split the input into at most <n> batch based on a hash code of the seequence."))
@@ -48,6 +54,10 @@ func OptionSet(options *getoptions.GetOpt) {
 	DistributeOptionSet(options)
 }
 
+func CLIAppendSequences() bool {
+	return _append
+}
+
 func CLISequenceClassifier() *obiseq.BioSequenceClassifier {
 	switch {
 	case _SequenceClassifierTag != "":