Check the standard compression support included with perl: Compress::Raw::Bzip2, IO::Compress::Bzip2, etc. The raw module implements buffer to buffer routines; higher level routines operate on streams. Neither wants file descriptors, which really belong to OS level of abstraction.

In reply to Re: XS filehandle/descriptor conversions and cleanup by Anonymous Monk
in thread XS filehandle/descriptor conversions and cleanup by jdv

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