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62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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)
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func main() {
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/*
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Use Buffered Reader
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*/
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// Dosyayı aç ve onun üzerinden "buffered reader" oluştur
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file, err := os.Open("test.txt")
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if err != nil {
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log.Fatal(err)
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}
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bufferedReader := bufio.NewReader(file)
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byteSlice := make([]byte, 5)
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byteSlice, err = bufferedReader.Peek(5)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Peeked at 5 bytes: %s\n", byteSlice)
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numBytesRead, err := bufferedReader.Read(byteSlice)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Read %d bytes: %s\n", numBytesRead, byteSlice)
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// Bir byte döner. Eğer okunacak byte yoksa hata döner.
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myByte, err := bufferedReader.ReadByte()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Read 1 byte: %c\n", myByte)
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// Read up to and including delimiter
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// Returns byte slice
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dataBytes, err := bufferedReader.ReadBytes('\n')
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Read bytes: %s\n", dataBytes)
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// Read up to and including delimiter
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// Returns string
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dataString, err := bufferedReader.ReadString('\n')
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Read string: %s\n", dataString)
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// This example reads a few lines so test.txt
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// should have a few lines of text to work correct
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}
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