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https://github.com/RussellChamp/advent-of-code-2021.git
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36 lines
532 B
Go
36 lines
532 B
Go
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package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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func tryMe(e error) {
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if e != nil {
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fmt.Println("OH SNAP!")
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panic(e)
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}
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}
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func files() {
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dat, err := os.ReadFile("./data.txt")
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tryMe(err)
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fmt.Print(string(dat))
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fmt.Println("\n---")
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f, err := os.Open("./data.txt")
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tryMe(err)
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coupleBytes := make([]byte, 10)
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num, err := f.Read(coupleBytes)
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tryMe(err)
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fmt.Println(num, string(coupleBytes))
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reader := bufio.NewReader(f)
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rBuf, err := reader.Peek(5)
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tryMe(err)
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fmt.Println("buff reader", string(rBuf))
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f.Close()
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}
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