mirror of https://github.com/zellyn/diskii.git
20 lines
445 B
Go
20 lines
445 B
Go
// Copyright © 2016 Zellyn Hunter <zellyn@gmail.com>
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// Package helpers contains various routines used to help cobra
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// commands stay succinct.
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package helpers
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import (
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"io/ioutil"
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"os"
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)
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// FileContentsOrStdIn returns the contents of a file, unless the file
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// is "-", in which case it reads from stdin.
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func FileContentsOrStdIn(s string) ([]byte, error) {
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if s == "-" {
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return ioutil.ReadAll(os.Stdin)
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}
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return ioutil.ReadFile(s)
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}
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