IEx c/0 to recompile file from command line

[Felix Bünemann]

Hello,

I'm currently learning Elixir, so I#m working with lot's of small .exs files, which I usually start with iex foo.exs.

It would be nice if there was a c/0 (or maybe r/0) function that recompiled the files passed on the command line, so I wouldn't need to re-type the filename with c/1 or restart iex.

Example:

iex foo.exs

iex>c

[Foo]

Regards,

  Felix

[José Valim]

We support a list to be passed to c/1. So we recommend you to just keep a list around, and pass it every time you want to compile everything. We had something like you proposed but it ended-up just causing confusion. Another idea is to support directories, so you could keep all of them in a directory and just compile it.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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[Jim Freeze]

You could add something like the following to your ~/.iex file to create a list of local script files:

local_scripts = :os.cmd('ls *.exs') |> to_string |> String.split(~r{\n}) |> Enum.reject(fn(e) -> e == "" end)

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[Felix Bünemann]

Hello Jim,

Am Sonntag, 2. August 2015 21:53:23 UTC+2 schrieb Jim Freeze:

You could add something like the following to your ~/.iex file to create a list of local script files:

local_scripts = :os.cmd('ls *.exs') |> to_string |> String.split(~r{\n}) |> Enum.reject(fn(e) -> e == "" end)

 I think you misunderstood what I'm tying to do. I don't want to recompile every exs in the current directory, I only want to recompile the exs I passed as the first argument to iex. Eg. if I call iex foo.exs, then c/0 would recompile foo.exs.

This would be easier to achieve if System.argv contained the filename passed, like for example in ruby.

On Sun, Aug 2, 2015 at 2:21 AM, José Valim <jose....@plataformatec.com.br> wrote:

We support a list to be passed to c/1. So we recommend you to just keep a list around, and pass it every time you want to compile everything. We had something like you proposed but it ended-up just causing confusion. Another idea is to support directories, so you could keep all of them in a directory and just compile it.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

On Sat, Aug 1, 2015 at 11:37 PM, Felix Bünemann <felix.b...@gmail.com> wrote:

Hello,

I'm currently learning Elixir, so I#m working with lot's of small .exs files, which I usually start with iex foo.exs.

It would be nice if there was a c/0 (or maybe r/0) function that recompiled the files passed on the command line, so I wouldn't need to re-type the filename with c/1 or restart iex.

Example:

iex foo.exs

iex>c

[Foo]

Regards,

  Felix

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[Ed W]

On 03/08/2015 03:20, Felix Bünemann wrote:

> This would be easier to achieve if System.argv contained the filename
> passed, like for example in ruby.

This is probably the real feature request to make? (ie how to access
the command line parameters used to initiate iex)

Ed W

[Jim Freeze]

Hi, Felix.

Oh, I see. That's a very good feature request.

Jim

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[Alexei Sholik]

You can get to the raw arguments using :init.get_plain_arguments. Although I agree that there could be a way to get the raw arguments passed to an Elixir program like iex or mix instead of the full invocation of erl that :init.get_plain_arguments returns.

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