e659708bcc
Multiple flags allowed. Order prescribed. Examples provided. Multiline accounted for. Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
37 lines
766 B
Go
37 lines
766 B
Go
package opts
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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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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lines := []string{}
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scanner := bufio.NewScanner(fh)
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for scanner.Scan() {
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line := scanner.Text()
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// line is not empty, and not starting with '#'
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if len(line) > 0 && !strings.HasPrefix(line, "#") && strings.Contains(line, "=") {
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data := strings.SplitN(line, "=", 2)
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key := data[0]
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val := data[1]
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if str, err := strconv.Unquote(data[1]); err == nil {
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val = str
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}
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lines = append(lines, fmt.Sprintf("%s=%s", key, val))
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}
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}
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return lines, nil
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}
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