package main
import (
"encoding/csv"
"flag"
"io"
"log"
"os"
"sort"
"strings..."
)
var quick, first, unrepeat bool
func main() {
path := flag.String("p", "", "-p 指定csv文件路径")...flag.String("l", "", "-l 指定结果输出路径,不指定则输出到标准输出")
flag.BoolVar(&quick, "q", false, "-q 数据全部加载到内存中处理...= nil {
log.Println("读取csv文件失败,错误信息:", err.Error())
return
}
defer File.Close...= nil {
log.Println("读取csv文件失败:", err.Error())
return
}
defer File.Close()