This is an OCaml PPX to include a binary blob from a file as a string. Writing
[%blob "filename"] will replace the string with the contents of the file at compile
time. This allows the inclusion of arbitrary, possibly compressed, data, without the need
to respect OCaml's lexical conventions.
The filename can be relative to either the source file where [%blob] appears, or
relative to the current working directory. If both files exist, the former takes
precedence.
Add (preprocessor_deps (file path/to/file)) to your library or executable stanza. See
test/dune for an example. This will make sure the file is copied to the build
directory and therefore visible to ppx_blob.
Requirements:
- OCaml 4.08+
- Packages: see ppx_blob.opam.
Run make and make test.