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andelf/beam_decompile.erl

Created March 19, 2013 03:25
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Erlang BEAM file decompile to .erl file
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beam_decompile.erl
#!/usr/bin/env escript
% -*- mode: erlang -*-
main([BeamFile]) ->
{ok,{_,[{abstract_code,{_,AC}}]}} = beam_lib:chunks(BeamFile,[abstract_code]),
io:fwrite("~s~n", [erl_prettypr:format(erl_syntax:form_list(AC))]).
@andelf
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andelf commented Mar 19, 2013

via: http://www.erlang.org/doc/man/beam_lib.html

@dolambinhminh
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Hi! Tried your but i have exception [{abstract_code,no_abstract_code}]. I don't know what's happen? Please! Can you help me fix this error!
I'm running Erlang on Window.
Thankyou!

@jfacorro
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jfacorro commented May 6, 2016

@dolambinhminh The problem is that for this piece of code to work the module has to be compiled with the debuf_info flag, otherwise the abstract code is not included in the binary.

@2666fff
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2666fff commented Jan 3, 2021

Hi jfacorro
I had the following errors, I dont know you still programming with erlang or not. Just try to ask if you can help.

** exception error: bad argument
in function io:format/3
called as io:format(<0.65.0>,"sn",
[[45,102,105,108,101,40,34,115,114,99,47,109,111,
100,47,100,97,116,97,47,115,107,105,108,108|...]])

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