Eric Ma
Eric is a systems guy. Eric is interested in building high-performance and scalable distributed systems and related technologies. The views or opinions expressed here are solely Eric's own and do not necessarily represent those of any third parties.
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Note that convert will read the uncompressed input files into memory before converting to pdf, so if you have a lot of files, you might run out of memory.
An alternative approach is first convert each file to pdf, and then combine the pdfs into one.