47 lines
844 B
Go
47 lines
844 B
Go
package opts
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import (
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"bufio"
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"bytes"
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"io"
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"os"
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)
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/*
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Read in a line delimited file with environment variables enumerated
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*/
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func ParseEnvFile(filename string) ([]string, error) {
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fh, err := os.Open(filename)
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if err != nil {
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return []string{}, err
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}
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defer fh.Close()
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var (
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lines []string = []string{}
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line, chunk []byte
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)
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reader := bufio.NewReader(fh)
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line, isPrefix, err := reader.ReadLine()
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for err == nil {
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if isPrefix {
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chunk = append(chunk, line...)
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} else if !isPrefix && len(chunk) > 0 {
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line = chunk
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chunk = []byte{}
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} else {
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chunk = []byte{}
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}
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if !isPrefix && len(line) > 0 && bytes.Contains(line, []byte("=")) {
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lines = append(lines, string(line))
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}
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line, isPrefix, err = reader.ReadLine()
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}
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if err != nil && err != io.EOF {
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return []string{}, err
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}
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return lines, nil
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}
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