repeater/internal/config/file.go

33 lines
680 B
Go

package config
import (
"bufio"
"fmt"
"os"
"strings"
)
// parseFile opens the file at the given filename path, then treat each line
// not starting with '#' as a configuration statement.
func parseFile(o *Config, filename string) error {
fp, err := os.Open(filename)
if err != nil {
return err
}
defer fp.Close()
scanner := bufio.NewScanner(fp)
n := 0
for scanner.Scan() {
n += 1
line := strings.TrimSpace(scanner.Text())
if len(line) > 0 && !strings.HasPrefix(line, "#") && strings.Index(line, "=") > 0 {
err := parseLine(o, line)
if err != nil {
return fmt.Errorf("%v:%d: error in configuration: %w", filename, n, err)
}
}
}
return nil
}