Пример #1
0
// readerToFile copies the reader to a temp file and returns its name or error
func readerToFile(r io.Reader, prefix string) (filename string, err error) {
	dfh, e := ioutil.TempFile("", "agostle-"+baseName(prefix)+"-")
	if e != nil {
		err = e
		return
	}
	if sfh, ok := r.(*os.File); ok {
		filename = dfh.Name()
		_ = dfh.Close()
		_ = os.Remove(filename)
		err = temp.LinkOrCopy(sfh.Name(), filename)
		return
	}
	if _, err = io.Copy(dfh, r); err == nil {
		filename = dfh.Name()
	}
	_ = dfh.Close()
	return
}
Пример #2
0
// PdfMerge merges pdf files into destfn
func PdfMerge(ctx context.Context, destfn string, filenames ...string) error {
	if len(filenames) == 0 {
		return fmt.Errorf("filenames required!")
	} else if len(filenames) == 1 {
		return temp.LinkOrCopy(filenames[0], destfn)
	}
	var cmd *exec.Cmd
	args := append(make([]string, 0, len(filenames)+3), filenames...)
	pdfunite := popplerOk["pdfunite"]
	if pdfunite != "" {
		args = append(args, destfn)
		cmd = exec.Command(pdfunite, args...)
	} else {
		args = append(append(append(args, "cat"), "output"), destfn)
		cmd = exec.Command(*ConfPdftk, args...)
	}
	logger.Debug("msg", "PdfMerge calling", "command", fmt.Sprintf("%s", cmd.Args))
	return runWithContext(ctx, cmd)
}