pdfunite(1) on Linux
The text 2b393c32ab38, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Portable Document Format (PDF) page merger
Flags it lists
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The text 2b393c32ab38, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Portable Document Format (PDF) page merger
-h
-v