[erlang-questions] Incorrect Beam Comparison

[Vladimir Gordeev]

> both files are Identical.

Indentical in the sense that content of *.beam files produce exactly same
hashsum?

On Wed, Mar 21, 2018 at 1:13 PM, Prakash Parmar <
prakashkumar_parmar@REDACTED> wrote:

> Hello Everyone,
>
>
>
> I have a two identical branch in SVN and I'm trying to compare beam file
> of both branch. For same I'm using beam_lib:cmp/2 .
>
>
>
> beam_lib:cmp("./erl_experiment-0.1.0/ebin/mynew_server.beam","./erl_
> experiment-0.2.0/ebin/mynew_server.beam").
> {error,beam_lib,{chunks_different,"Abst"}}
>
>
>
> Though both files are Identical. Still beam_lib:cmp/2 is giving difference
> in 'Abst' chunk.
>
>
>
> Does anyone have idea what's going wrong or reason ?
>
>
>
> Here is a svn diff of between both branch for reference.
>
>
>
>  user@REDACTED:~/svn/erl_experiment/branches/rel_v0_2_0$ svn diff -r18
>  Index: lib/erl_experiment/src/erl_experiment.app.src
>  _===================================================================_
>  --- lib/erl_experiment/src/erl_experiment.app.src    (.../rel_v0_1_0)
>  (revision 18)
>  +++ lib/erl_experiment/src/erl_experiment.app.src    (.../rel_v0_2_0)
>  (working copy)
>  @@ -1,6 +1,6 @@
>   {application, erl_experiment,
>    [{description, "An OTP application"},
>  -  {vsn, "0.1.0"},
>  +  {vsn, "0.2.0"},
>     {registered, []},
>     {mod, { erl_experiment_app, []}},
>     {applications,
>  Index: rebar.config
>  ===================================================================
>  --- rebar.config    (.../rel_v0_1_0)    (revision 18)
>  +++ rebar.config    (.../rel_v0_2_0)    (working copy)
>  @@ -5,7 +5,7 @@
>   { base_dir, "../_build"}.
>   { out_dir, "../_build/default/lib/"}.
>
>  -{relx, [{release, {erl_experiment, "0.1.0"}, [ erl_experiment, kernel,
> stdlib, sasl ]},
>  +{relx, [{release, {erl_experiment, "0.2.0"}, [ erl_experiment, kernel,
> stdlib, sasl ]},
>
>    {dev_mode, false},
>    {include_erts, true},
>
>
> Cheers,
>
> Prakash
>
>
>
>
>
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