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package describe
import (
"bufio"
"os"
"strings"
)
var DescriptionPrefixes = []string{
"#",
"//",
}
func Describe(file string) (string, error) {
fd, err := os.Open(file)
if err != nil {
return "", err
}
defer fd.Close()
scanner := bufio.NewScanner(fd)
scanner.Split(bufio.ScanLines)
scanner.Scan()
text := scanner.Text()
if strings.HasPrefix(text, "#!") {
scanner.Scan()
text = scanner.Text()
}
text = strings.TrimSpace(text)
if !strings.HasPrefix(text, "#") {
return "", nil
}
return text, nil
}
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