33 lines
520 B
Go
33 lines
520 B
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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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 main() {
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const path = "nums.txt"
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_ = os.Remove(path)
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f, _ := os.OpenFile(path,
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os.O_CREATE|os.O_WRONLY,
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0644)
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defer f.Close()
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const size = 1000000
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w := bufio.NewWriterSize(f, 1<<16)
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for i := 1; i <= size; i++ {
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fmt.Fprintf(w, "num: %d\n", i)
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}
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w.Flush()
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}
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