-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
133 lines (122 loc) · 2.58 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
package main
import (
"flag"
"fmt"
"io"
"log"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/UNO-SOFT/spreadsheet"
"github.com/UNO-SOFT/spreadsheet/ods"
"github.com/UNO-SOFT/spreadsheet/xlsx"
)
func main() {
if err := Main(); err != nil {
log.Fatal(err)
}
}
func Main() error {
flagEnc := flag.String("charset", spreadsheet.EncName, "csv charset name")
flag.Parse()
fn := flag.Arg(0)
fh := os.Stdout
if !(fn == "" || fn == "-") {
var err error
if fh, err = os.Create(fn); err != nil {
return err
}
}
defer fh.Close()
var w spreadsheet.Writer
if strings.HasSuffix(fn, ".xlsx") {
w = xlsx.NewWriter(fh)
} else {
var err error
if w, err = ods.NewWriter(fh); err != nil {
return err
}
}
for i, fn := range flag.Args()[1:] {
sheetName := fmt.Sprintf("Sheet%d", i+1)
if i := strings.IndexByte(fn, ':'); i >= 0 {
sheetName, fn = fn[:i], fn[i+1:]
} else if fn != "" && fn != "-" {
sheetName = strings.TrimSuffix(filepath.Base(fn), ".csv")
}
if err := copyFile(w, sheetName, fn, *flagEnc); err != nil {
return fmt.Errorf("%q: %w", fn, err)
}
}
if err := w.Close(); err != nil {
return err
}
return fh.Close()
}
func copyFile(w spreadsheet.Writer, sheetName string, fn, encName string) error {
cr, err := spreadsheet.OpenCsv(fn, encName)
if err != nil {
return err
}
defer cr.Close()
row, err := cr.Read()
if err != nil {
return err
}
cols := make([]spreadsheet.Column, len(row))
for i, r := range row {
cols[i].Name = r
cols[i].Header.FontBold = true
}
sheet, err := w.NewSheet(sheetName, cols)
if err != nil {
return err
}
var rowI []interface{}
for {
if row, err = cr.Read(); err != nil {
if err == io.EOF {
break
}
return err
}
rowI = rowI[:0]
for _, s := range row {
if len(s) != 0 {
if len(s) == 10 && likelyDate(s) {
if t, err := time.ParseInLocation("2006-01-02", s, time.Local); err == nil {
rowI = append(rowI, t)
continue
}
}
if likelyNumber(s) {
if i, err := strconv.ParseInt(s, 10, 64); err == nil {
rowI = append(rowI, i)
continue
}
if f, err := strconv.ParseFloat(s, 64); err == nil {
rowI = append(rowI, f)
continue
}
}
}
rowI = append(rowI, s)
}
sheet.AppendRow(rowI...)
}
return sheet.Close()
}
func likelyNumber(s string) bool {
return strings.IndexFunc(s,
func(r rune) bool {
return !(r == '-' || r == '.' || '0' <= r && r <= '9')
}) < 0
}
func likelyDate(s string) bool {
return strings.IndexFunc(s,
func(r rune) bool {
return !(r == '-' || '0' <= r && r <= '9')
}) < 0
}