39 lines
756 B
Go
39 lines
756 B
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
|
|
"mcquay.me/trash"
|
|
)
|
|
|
|
var algo = flag.String("a", "caca", "algorithm to use")
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
var r io.Reader
|
|
switch *algo {
|
|
case "lo", "low", "00", "0", "nil", "null", "zeros":
|
|
r = trash.Zeros
|
|
case "ones", "ff", "hi", "high":
|
|
r = trash.Fs
|
|
case "trash", "caca":
|
|
r = trash.Reader
|
|
case "hilo", "aa", "a":
|
|
r = trash.HiLo
|
|
case "lohi", "55", "5":
|
|
r = trash.LoHi
|
|
case "rand", "random":
|
|
r = trash.Random
|
|
default:
|
|
fmt.Fprintf(os.Stderr, "unsupported algorithm: %v\ntry one of 'lo(w)', 'hi(gh)', 'hilo', 'lohi', 'trash'\n", *algo)
|
|
os.Exit(1)
|
|
}
|
|
if _, err := io.Copy(os.Stdout, r); err != nil {
|
|
fmt.Fprintf(os.Stderr, "problem copying to stdout: %v", err)
|
|
os.Exit(1)
|
|
}
|
|
}
|