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Build Real-time Applications with the new "watch" API in Deno KV
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function Deno.openSync

Synchronously open a file and return an instance of Deno.File. The file does not need to previously exist if using the create or createNew open options. It is the callers responsibility to close the file when finished with it.

const file = Deno.openSync("/foo/bar.txt", { read: true, write: true });
// Do work with file

Requires allow-read and/or allow-write permissions depending on options.


path: string | URL
options: OpenOptions