51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package cmd
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import (
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"fmt"
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"strings"
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"archgrid.xyz/ag/tools/types"
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"archgrid.xyz/ag/toolsbox/hash/crc64"
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"github.com/spf13/cobra"
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)
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var (
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crc64Algorithm types.CRC64Algorithm = types.CRC64_ISO
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crc64File bool
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)
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var crc64Cmd = &cobra.Command{
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Use: "crc64",
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Short: `CRC64校验`,
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Long: `对给定的内容进行CRC64校验计算。`,
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Args: cobra.MinimumNArgs(1),
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Run: crc64Execute,
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}
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func crc64Execute(cmd *cobra.Command, args []string) {
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var (
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result []byte
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err error
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)
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if crc64File {
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result, err = crc64.SumFile(args[0], crc64Algorithm.IntoCRC64Mode())
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} else {
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result = crc64.CRC64([]byte(args[0]), crc64Algorithm.IntoCRC64Mode())
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}
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if err != nil {
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fmt.Printf("计算CRC64校验值时发生错误：%s\n", err)
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return
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}
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var builder strings.Builder
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for _, b := range result {
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builder.WriteString(fmt.Sprintf(" %02X", b))
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}
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fmt.Printf("CRC64校验值：%s\n", builder.String())
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}
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func init() {
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crc64Cmd.PersistentFlags().VarP(&crc64Algorithm, "algorithm", "a", "CRC64算法，可选值有：iso, ecma，缺省值为iso。")
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crc64Cmd.PersistentFlags().BoolVarP(&crc64File, "file", "f", false, "从文件中读取内容")
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rootCmd.AddCommand(crc64Cmd)
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}
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