initial commit

.gitignore

@@ -0,0 +1 @@
+*.exe

go.mod

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+module code.stevenpolley.net/steven/csv2xls
+
+go 1.22.6
+
+require github.com/tealeg/xlsx v1.0.5

go.sum

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+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/tealeg/xlsx v1.0.5 h1:+f8oFmvY8Gw1iUXzPk+kz+4GpbDZPK1FhPiQRd+ypgE=
+github.com/tealeg/xlsx v1.0.5/go.mod h1:btRS8dz54TDnvKNosuAqxrM1QgN1udgk9O34bDCnORM=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

main.go

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+package main
+
+import (
+	"encoding/csv"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/tealeg/xlsx"
+)
+
+var xlsxPath = flag.String("o", "", "Path to the XLSX output file")
+var csvPath = flag.String("f", "", "Path to the CSV input file")
+var delimiter = flag.String("d", ",", "Delimiter for felds in the CSV input.")
+
+func usage() {
+	fmt.Printf(`%s: -f=<CSV Input File> -o=<XLSX Output File> -d=<Delimiter>
+
+`,
+		os.Args[0])
+}
+
+func generateXLSXFromCSV(csvPath string, XLSXPath string, delimiter string) error {
+	csvFile, err := os.Open(csvPath)
+	if err != nil {
+		return err
+	}
+	defer csvFile.Close()
+	reader := csv.NewReader(csvFile)
+	if len(delimiter) > 0 {
+		reader.Comma = rune(delimiter[0])
+	} else {
+		reader.Comma = rune(';')
+	}
+	xlsxFile := xlsx.NewFile()
+	sheet, err := xlsxFile.AddSheet(csvPath)
+	if err != nil {
+		return err
+	}
+	fields, err := reader.Read()
+	for err == nil {
+		row := sheet.AddRow()
+		for _, field := range fields {
+			cell := row.AddCell()
+			cell.Value = field
+		}
+		fields, err = reader.Read()
+	}
+	if err != nil {
+		fmt.Printf(err.Error())
+	}
+	return xlsxFile.Save(XLSXPath)
+}
+
+func main() {
+	flag.Parse()
+	if len(os.Args) < 3 {
+		usage()
+		return
+	}
+	flag.Parse()
+	err := generateXLSXFromCSV(*csvPath, *xlsxPath, *delimiter)
+	if err != nil {
+		fmt.Printf(err.Error())
+		return
+	}
+}