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erlang
0118-Improvements-of-escript-documentation.patch
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File 0118-Improvements-of-escript-documentation.patch of Package erlang
From 959cb1e4d3bdc1d28ccf5000941e7346315b0343 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5kan=20Mattsson?= <hm@tail-f.com> Date: Fri, 28 Apr 2017 12:49:25 +0200 Subject: [PATCH] Improvements of escript documentation --- erts/doc/src/escript.xml | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/erts/doc/src/escript.xml b/erts/doc/src/escript.xml index 1d5d28033..bbb00fd14 100644 --- a/erts/doc/src/escript.xml +++ b/erts/doc/src/escript.xml @@ -35,6 +35,28 @@ <p><c>escript</c> provides support for running short Erlang programs without having to compile them first, and an easy way to retrieve the command-line arguments.</p> + + <p>It is possible to bundle <c>escript</c>(s) with an Erlang + runtime system to make it self-sufficient and relocatable. In such + a standalone system, the <c>escript</c>(s) should be located in + the top <c>bin</c> directory of the standalone system and given + <c>.escript</c> as file extension. Further the (built-in) + <c>escript</c> program should be copied to the same directory and + given the scripts original name (without the <c>.escript</c> + extension). This will enable use of the bundled Erlang runtime + system.</p> + + <p>The (built-in) <c>escript</c> program first determines which + Erlang runtime system to use and then starts it to execute your + script. Usually the runtime system is located in the same Erlang + installation as the <c>escript</c> program itself. But for + standalone systems with one or more escripts it may be the case + that the <c>escript</c> program in your path actually starts the + runtime system bundled with the escript. This is intentional, and + typically happens when the standalone system <c>bin</c> directory is not + in the execution path (as it may cause its <c>erl</c> program to + override the desired one) and the <c>escript</c>(s) are referred to via + symbolic links from a <c>bin</c> directory in the path.</p> </description> <funcs> -- 2.12.2
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