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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"io"
"log"
"os"
)
func main() {
f, err := os.OpenFile(os.Getenv("TEST_OUTPUT"), os.O_CREATE|os.O_RDWR, 0600)
if err != nil {
log.Fatalf("os.Open failed: %s", err)
}
defer f.Close()
b, err := io.ReadAll(os.Stdin)
if err != nil {
log.Fatalf("io.ReadAll(os.Stdin) failed: %s", err)
}
if len(b) != 0 {
log.Fatalf("io.ReadAll(os.Stdin) returned non-nil: %x", b)
}
fmt.Fprintf(os.Stdout, "stdout\n")
fmt.Fprintf(os.Stderr, "stderr\n")
}
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