scriptx/fmt.go
2023-04-24 01:29:54 +00:00

19 lines
No EOL
352 B
Go

package scriptx
import (
"fmt"
"io"
)
func Printf(ptrn string) func(r io.Reader, w io.Writer) error {
return func(r io.Reader, w io.Writer) error {
return eachLine(r, func(line string) error {
_, err := io.WriteString(w, fmt.Sprintf(ptrn, line))
if err != nil {
return err
}
_, err = w.Write([]byte{'\n'})
return err
})
}
}