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package main
import (
"bytes"
"fmt"
"io"
"log"
"os"
"strconv"
)
var Logger = log.New(os.Stderr, "", 0)
func dumpString(w io.Writer, s string) {
n := 0
for _, char := range s { // I don't care about the byte number, just chars...
// https://go.dev/ref/spec#Rune_literals
fmt.Fprintf(w,
"Number: %-4d Char: %-6s Unicode: %U Hex Bytes: %+v\n",
n,
strconv.QuoteRune(char),
char,
[]byte(string(char)))
n++
}
}
func main() {
buf := &bytes.Buffer{}
n, err := io.Copy(buf, os.Stdin)
if err != io.EOF && err != nil {
Logger.Fatalf("Failed to read stdin: %s\n", err)
}
Logger.Println("------------------------")
Logger.Printf("Read in %d bytes\n", n)
Logger.Println("------------------------")
dumpString(os.Stdout, buf.String())
}
|
