A Haskell library that produces hex dumps lazily from various types of source.
The output is a list of lines with type [String]. Each line represents 16 bytes in the input.
Possible inputs include [Word8], ByteString and Ptr a.
The library itself has no dependencies beyond base and bytestring.
$ cabal repl
λ> import qualified Data.ByteString as BS
λ> fp = "dist-newstyle/packagedb/ghc-8.10.2/package.cache"
λ> bs <- BS.readFile fp
λ> putStr . unlines . take 16 $ hexDumpByteString bs
0000: 00 67 68 63 70 6b 67 00 00 00 00 01 00 00 00 00 |.ghcpkg.........
0010: 00 00 00 00 00 00 04 95 00 00 00 00 00 00 00 01 |................
0020: 00 00 00 00 00 00 00 14 68 65 78 64 75 6d 70 2d |........hexdump-
0030: 6c 61 7a 79 2d 30 2e 31 2e 30 2e 30 00 00 00 00 |lazy-0.1.0.0....
0040: 00 00 00 0c 68 65 78 64 75 6d 70 2d 6c 61 7a 79 |....hexdump-lazy
0050: 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 |................
0060: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 |................
0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................
0080: 00 00 00 00 00 00 00 00 1c 68 65 78 64 75 6d 70 |.........hexdump
0090: 2d 6c 61 7a 79 2d 30 2e 31 2e 30 2e 30 2d 69 6e |-lazy-0.1.0.0-in
00a0: 70 6c 61 63 65 00 00 00 00 00 00 00 1c 68 65 78 |place........hex
00b0: 64 75 6d 70 2d 6c 61 7a 79 2d 30 2e 31 2e 30 2e |dump-lazy-0.1.0.
00c0: 30 2d 69 6e 70 6c 61 63 65 00 00 00 00 00 00 00 |0-inplace.......
00d0: 00 00 00 00 00 00 00 00 07 69 6e 70 6c 61 63 65 |.........inplace
00e0: 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 0d |................
00f0: 62 61 73 65 2d 34 2e 31 34 2e 31 2e 30 00 00 00 |base-4.14.1.0...