diff options
Diffstat (limited to 'libqpdf/QPDFJob.cc')
| -rw-r--r-- | libqpdf/QPDFJob.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libqpdf/QPDFJob.cc b/libqpdf/QPDFJob.cc index 2e0abb43..3bdb4f39 100644 --- a/libqpdf/QPDFJob.cc +++ b/libqpdf/QPDFJob.cc @@ -2446,6 +2446,10 @@ QPDFJob::handlePageSpecs(QPDF& pdf, std::vector<std::unique_ptr<QPDF>>& page_hea auto n_collate = m->collate.size(); auto n_specs = parsed_specs.size(); + if (!(n_collate == 0 || n_collate == 1 || n_collate == n_specs)) { + usage("--pages: if --collate has more than one value, it must have one value per page " + "specification"); + } if (n_collate > 0 && n_specs > 1) { // Collate the pages by selecting one page from each spec in order. When a spec runs out of // pages, stop selecting from it. |