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mpppk/add_header.go

Last active April 11, 2017 15:59
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go concat
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add_header.go
package main
import (
"io/ioutil"
"fmt"
)
func main(){
addHeader("a,b,c", "test.csv")
}
func addHeader(header string, filePath string) error {
data, err := ioutil.ReadFile(filePath)
ioutil.WriteFile(filePath, append([]byte(fmt.Sprintln(header)), data...), 0777)
return err
}
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