pdfutil: Add ability to merge pdfs #340
Merged
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The --merge flag takes an arbritary list of pdfs and merges them into one.
Example:
pdfutil --merge A.pdf B.pdf --output C.pdf
Optionally it can be run without the --output flag, then it will save to merged.pdf.
If only 1 is given it will just create a copy of the original pdf.
The merge code is taken from examples/merge.rs. I use the layer variable to avoid the borrow checker from complaining when using .iter().enumerate().