/usr/bin/pdfbklt version [unknown] calling Getopt::Std::getopts (version 1.15 [paranoid]),
running under Perl version 5.44.0.

Usage: pdfbklt [-OPTIONS [-MORE_OPTIONS]] [--] [PROGRAM_ARG1 ...]

The following single-character options are accepted:
	With arguments: -b -g -h -p -s -u
	Boolean (without arguments): -l -q -r

Options may be merged together.  -- stops processing of options.
Space is not required between options and their arguments.
  [Now continuing due to backward compatibility and excessive paranoia.
   See 'perldoc Getopt::Std' about $Getopt::Std::STANDARD_HELP_VERSION.]
    PDFBKLT [-b num/size] [-l] [-p num] [-g num] [-q] [-r] [-s size] pdffile

 (c) M. Hosken.     Version: 1.8

    Converts a PDF file into a booklet. It edits the pdffile to add the
modifications at the end.

  -b num/size    Specifies which page contains the output page size details [1]
            or gives the dimensions of the page in pts (x;y) or A4,ltr,lgl,A5
  -g num[;offset] Makes up page groups, or signatures with num pages in each
            and offset pages in the first signature.
            num and offset must be multiples of 4
  -l        Flag to indicate linear scaling
  -p num    Specifies the number of pages on the output page (1, 2, 4) [2]
            If 4, can be 4s to flip on short edge. Append r if right to left.
  -q        Quiet (no on screen messages)
  -r        Rotates the output (-p 2 rotates automatically, -r rotates back)
  -s size   Specifies the the location of the actual text on a page:
                2   half page right and left (big gutter)
                2r  half page always on right
                2l  half page always on left
                2b  dual half pages on right and left
                            assumes last page opposite first
                4   1/4 page right and left bottom (very big gutter)
                4t  1/4 page right and left top (very big gutter)
                4r/4l/4rt/4lt   1/4 page always on right or left bottom or top
                location as a single string: minx,miny,maxx,maxy in pts
  -u width  Specify the gutter size (for 2 pages per output page only)