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| Guest |
 Posted: Thu Sep 10, 2009 8:26 pm |
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Guest
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Hi!
It there a way to instruct escript where to look for files to be included?
Right now it only seem to accept absolute paths or paths relative to a
lib_dir of an installed library.
It would be good to allow escript to include the files located in a
place relative to where the script is being run.
Real world example:
escript is used to run etap[1] tests in a make test phase. As this is
testing, no files are installed in an erlang tree yet, sadly it's
impossible to use hrl files existing in the source (which would be
installed thus accessible but after the tests pass..). Catch 22, isn't
it?
cheers,
Wojtek
[1] http://github.com/ngerakines/etap/tree/master
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erlang-questions mailing list. See http://www.erlang.org/faq.html
erlang-questions (at) erlang.org
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| kagato |
| Posted: Thu Sep 10, 2009 8:51 pm |
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User
Joined: 30 Dec 2007
Posts: 85
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According to the docs (and my tests), escript will only use -
include_lib, not a regular -include.
The way to make that work is if you have the file in the code_path
(hence, why it works for installed modules). Since any modifications
within the script happen after the -include_lib would be processed,
you'll have to have the escript program set this path itself.
I can't find a way to do this.
I tried just giving it the flag that "erl" would take, didn't work.
I tried adding the flag via an environmental variable, also didn't
work. (ERL_AFLAGS="-pa mypath")
When I use etap, I have my actual tests in a compiled module, so I
don't have this problem. That said, I don't know of any way to make
this work.
I think the best way would be to add "-patha(...)" and "-pathz" to
escript.
Anybody know how to get escript to modify its path?
Also, can anyone explain why -include() isn't allowed?
On Sep 10, 2009, at 1:25 PM, Wojciech Kaczmarek wrote:
> Hi!
>
> It there a way to instruct escript where to look for files to be
> included?
> Right now it only seem to accept absolute paths or paths relative to a
> lib_dir of an installed library.
> It would be good to allow escript to include the files located in a
> place relative to where the script is being run.
>
> Real world example:
>
> escript is used to run etap[1] tests in a make test phase. As this is
> testing, no files are installed in an erlang tree yet, sadly it's
> impossible to use hrl files existing in the source (which would be
> installed thus accessible but after the tests pass..). Catch 22, isn't
> it?
>
> cheers,
> Wojtek
>
> [1] http://github.com/ngerakines/etap/tree/master
>
> ________________________________________________________________
> erlang-questions mailing list. See http://www.erlang.org/faq.html
> erlang-questions (at) erlang.org
>
________________________________________________________________
erlang-questions mailing list. See http://www.erlang.org/faq.html
erlang-questions (at) erlang.org
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