Hi,

No magic needed in OCaml:

let with_open path f =

let oc = open_out path in

match f oc with

| x -> close_out_noerr oc; x

| exception e -> close_out_noerr oc; raise e

and then use it as

with_open "foo" (fun oc -> output_string oc str)

Cheers

Nicolas

On Thu, Aug 6, 2015 at 11:40 AM, Goswin von Brederlow <goswin-v-b@web.de> wrote:

Hi,

in Python one can write:

with open("foo") as fd:
fd.write(str)

This involves some language magic that will open the file for the
duration of the block and close it at the end. The file descriptor is
automatically closed at a know time and not leaked or left until the
GC gets around to cleaning it up.

Has anyone constructed something like that for ocaml? Maybe with a ppx
extension?

MfG
Goswin

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