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fengyfei/main.go

Created June 19, 2022 05:33
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main.go
package main
import(
"log"
"os/exec"
"os"
"io"
)
func main() {
process := exec.Command("vi", "/Users/fengyfei/Space/Github/Go/sample/a.txt")
process.Stdout = os.Stdout
stdin, err := process.StdinPipe()
if err != nil {
log.Fatal(err)
}
if err = process.Start(); err != nil {
log.Fatal(err)
}
io.WriteString(stdin, "i");
io.WriteString(stdin, "hello");
stdin.Write([]byte{27})
io.WriteString(stdin, ":wq\n")
if err = process.Wait(); err != nil {
log.Fatal(err)
}
}
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