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xlsx2csv.go
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xlsx2csv.go
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// Copyright © 2016 Wei Shen <shenwei356@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package cmd
import (
"encoding/csv"
"fmt"
"runtime"
"sort"
"github.com/360EntSecGroup-Skylar/excelize"
"github.com/shenwei356/xopen"
"github.com/spf13/cobra"
)
// xlsx2csvCmd represents the seq command
var xlsx2csvCmd = &cobra.Command{
Use: "xlsx2csv",
Short: "convert XLSX to CSV format",
Long: `convert XLSX to CSV format
`,
Run: func(cmd *cobra.Command, args []string) {
config := getConfigs(cmd)
files := getFileList(args)
if len(files) > 1 {
checkError(fmt.Errorf("no more than one file should be given"))
}
if files[0] == "-" {
checkError(fmt.Errorf("stdin not supported for xlsx2csv"))
}
runtime.GOMAXPROCS(config.NumCPUs)
listSheets := getFlagBool(cmd, "list-sheets")
sheetName := getFlagString(cmd, "sheet-name")
sheetIndex := getFlagPositiveInt(cmd, "sheet-index")
outfh, err := xopen.Wopen(config.OutFile)
checkError(err)
defer outfh.Close()
xlsx, err := excelize.OpenFile(files[0])
checkError(err)
sheets := xlsx.GetSheetMap()
if listSheets {
if len(sheets) > 0 {
fmt.Println("index\tsheet")
is := make([]int, len(sheets))
i := 0
for index := range sheets {
is[i] = index
i++
}
sort.Ints(is)
for _, index := range is {
fmt.Printf("%d\t%s\n", index, sheets[index])
}
}
return
}
if sheetName == "" {
sheetName = sheets[sheetIndex]
} else {
var existed bool
for _, sheet := range sheets {
if sheet == sheetName {
existed = true
}
}
if !existed {
checkError(fmt.Errorf(`Sheet '%s' does not exist in file: %s`, sheetName, files[0]))
}
}
writer := csv.NewWriter(outfh)
rows := xlsx.GetRows(sheetName)
for _, row := range rows {
checkError(writer.Write(row))
}
writer.Flush()
checkError(writer.Error())
},
}
func init() {
RootCmd.AddCommand(xlsx2csvCmd)
xlsx2csvCmd.Flags().StringP("sheet-name", "n", "", "sheet to retrieve")
xlsx2csvCmd.Flags().BoolP("list-sheets", "a", false, "list all sheets")
xlsx2csvCmd.Flags().IntP("sheet-index", "i", 1, "Nth sheet to retrieve")
}