32 lines
482 B
Go
32 lines
482 B
Go
package read
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/* Plan9 read or something to read into variables. */
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import(
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"os"
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"bufio"
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"fmt"
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"github.com/vultras/cli/mtool"
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)
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var(
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nLines int
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)
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func Run(flagSet *mtool.Flags) {
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flagSet.IntVar(&nLines, "n", 1, "amount of lines")
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flagSet.Parse()
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//args := flagSet.Args()
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if nLines <= 0 {
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flagSet.Usage()
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}
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rd := bufio.NewReader(os.Stdin)
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for nLines != 0 {
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line, err := rd.ReadString('\n')
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if err != nil {
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os.Exit(0)
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}
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fmt.Print(line)
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nLines -= 1
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}
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}
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