func (c *Commands) executeFile(t *Term, name string) error {
fh, err := os.Open(name)
if err != nil {
return err
}
defer fh.Close()
scanner := bufio.NewScanner(fh)
lineno := 0
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
lineno++
if line == "" || line[0] == '#' {
continue
}
cmdstr, args := parseCommand(line)
if err := c.Call(cmdstr, args, t); err != nil {
fmt.Printf("%s:%d: %v\n", name, lineno, err)
}
}
return scanner.Err()
}
func formatFile(src *os.File) ([]byte, error) {
scanner := bufio.NewScanner(src)
var b bytes.Buffer
lineNum := 0
for scanner.Scan() {
line := []byte(scanner.Text())
if *nonPrintEnd {
line = appendEnd(line)
}
if *nonPrintTab {
line = appendTab(line)
}
if *numLines || *nonBlank {
lineNum++
line = numberLine(line, lineNum)
}
line = append(line, '\n')
b.Write(line)
}
return b.Bytes(), nil
}
