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-rw-r--r--lib/reltool/test/reltool_server_SUITE.erl365
-rw-r--r--lib/reltool/test/reltool_server_SUITE_data/Makefile.src8
-rw-r--r--lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/ebin/someapp.app6
-rw-r--r--lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/src/mymod.erl26
4 files changed, 394 insertions, 11 deletions
diff --git a/lib/reltool/test/reltool_server_SUITE.erl b/lib/reltool/test/reltool_server_SUITE.erl
index 0aca242d4e..56c9cb5ed1 100644
--- a/lib/reltool/test/reltool_server_SUITE.erl
+++ b/lib/reltool/test/reltool_server_SUITE.erl
@@ -62,6 +62,9 @@ all() ->
create_target,
create_embedded,
create_standalone,
+ create_standalone_beam,
+ create_standalone_app,
+ create_multiple_standalone,
create_old_target,
eval_target_spec,
otp_9135,
@@ -74,6 +77,10 @@ all() ->
set_apps_and_undo,
set_sys_and_undo,
load_config_and_undo,
+ load_config_escript_path,
+ load_config_same_escript_source,
+ load_config_same_escript_beam,
+ load_config_add_escript,
reset_config_and_undo,
gen_rel_files,
save_config,
@@ -138,27 +145,34 @@ set_config(_Config) ->
%% Check that get_config returns the expected derivates and defaults
%% as specified
get_config(_Config) ->
+
+ KVsn = latest(kernel),
+ StdVsn = latest(stdlib),
+ SaslVsn = latest(sasl),
+
Sys = {sys,[{incl_cond, exclude},
{app,kernel,[{incl_cond,include}]},
- {app,sasl,[{incl_cond,include}]},
+ {app,sasl,[{incl_cond,include},{vsn,SaslVsn}]},
{app,stdlib,[{incl_cond,include}]}]},
{ok, Pid} = ?msym({ok, _}, reltool:start_server([{config, Sys}])),
?m({ok, Sys}, reltool:get_config(Pid)),
?m({ok, Sys}, reltool:get_config(Pid,false,false)),
+ %% Include derived info
?msym({ok,{sys,[{incl_cond, exclude},
{erts,[]},
{app,kernel,[{incl_cond,include},{mod,_,[]}|_]},
- {app,sasl,[{incl_cond,include},{mod,_,[]}|_]},
+ {app,sasl,[{incl_cond,include},{vsn,SaslVsn},{mod,_,[]}|_]},
{app,stdlib,[{incl_cond,include},{mod,_,[]}|_]}]}},
reltool:get_config(Pid,false,true)),
+ %% Include defaults
?msym({ok,{sys,[{root_dir,_},
{lib_dirs,_},
{mod_cond,all},
{incl_cond,exclude},
{app,kernel,[{incl_cond,include},{vsn,undefined}]},
- {app,sasl,[{incl_cond,include},{vsn,undefined}]},
+ {app,sasl,[{incl_cond,include},{vsn,SaslVsn}]},
{app,stdlib,[{incl_cond,include},{vsn,undefined}]},
{boot_rel,"start_clean"},
{rel,"start_clean","1.0",[]},
@@ -178,16 +192,14 @@ get_config(_Config) ->
{debug_info,keep}]}},
reltool:get_config(Pid,true,false)),
- KVsn = latest(kernel),
- StdVsn = latest(stdlib),
-
+ %% Include both defaults and derived info
?msym({ok,{sys,[{root_dir,_},
{lib_dirs,_},
{mod_cond,all},
{incl_cond,exclude},
{erts,[]},
{app,kernel,[{incl_cond,include},{vsn,KVsn},{mod,_,[]}|_]},
- {app,sasl,[{incl_cond,include},{vsn,_},{mod,_,[]}|_]},
+ {app,sasl,[{incl_cond,include},{vsn,SaslVsn},{mod,_,[]}|_]},
{app,stdlib,[{incl_cond,include},{vsn,StdVsn},{mod,_,[]}|_]},
{boot_rel,"start_clean"},
{rel,"start_clean","1.0",[]},
@@ -720,22 +732,188 @@ create_standalone(_Config) ->
?m(ok, file:make_dir(TargetDir)),
ok = ?m(ok, reltool:create_target([{config, Config}], TargetDir)),
+ %% Start the target system and fetch root dir
BinDir = filename:join([TargetDir, "bin"]),
Erl = filename:join([BinDir, "erl"]),
{ok, Node} = ?msym({ok, _}, start_node(?NODE_NAME, Erl)),
RootDir = ?ignore(rpc:call(Node, code, root_dir, [])),
?msym(ok, stop_node(Node)),
+ %% Execute escript
Expected = iolist_to_binary(["Root dir: ", RootDir, "\n"
"Script args: [\"-arg1\",\"arg2\",\"arg3\"]\n",
"Smp: false\n",
"ExitCode:0"]),
io:format("Expected: ~s\n", [Expected]),
- ?m(Expected, run(BinDir, EscriptName ++ " -arg1 arg2 arg3")),
+ ?m(Expected, run(BinDir, EscriptName, "-arg1 arg2 arg3")),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Generate standalone system with inlined beam file
+
+create_standalone_beam(Config) ->
+ %% Read beam file
+ DataDir = ?config(data_dir,Config),
+ BeamFile = filename:join([DataDir,escript,"someapp-1.0",ebin,"mymod.beam"]),
+ {ok,BeamBin} = file:read_file(BeamFile),
+
+ %% Create the escript
+ EscriptName = "mymod.escript",
+ Escript = filename:join(?WORK_DIR,EscriptName),
+ ok = escript:create(Escript,[shebang,{beam,BeamBin}]),
+ ok = file:change_mode(Escript,8#00744),
+
+ %% Configure the server
+ Sys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ %% Generate target file
+ TargetDir = filename:join([?WORK_DIR, "target_standalone_beam"]),
+ ?m(ok, reltool_utils:recursive_delete(TargetDir)),
+ ?m(ok, file:make_dir(TargetDir)),
+ ok = ?m(ok, reltool:create_target([{config, Sys}], TargetDir)),
+
+ %% Start the target system and fetch root dir
+ BinDir = filename:join([TargetDir, "bin"]),
+ Erl = filename:join([BinDir, "erl"]),
+ {ok, Node} = ?msym({ok, _}, start_node(?NODE_NAME, Erl)),
+ RootDir = ?ignore(rpc:call(Node, code, root_dir, [])),
+ ?msym(ok, stop_node(Node)),
+
+ %% Execute escript
+ Expected = iolist_to_binary(["Root dir: ", RootDir, "\n"
+ "Script args: [\"-arg1\",\"arg2\",\"arg3\"]\n",
+ "ExitCode:0"]),
+ io:format("Expected: ~s\n", [Expected]),
+ ?m(Expected, run(BinDir, EscriptName, "-arg1 arg2 arg3")),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Generate standalone system with inlined archived application
+
+%% BUG: see OTP-9792, 25)
+%% Problem related to change of #app.name from "*escript* someapp" to
+%% just "someapp", since there is a someapp.app in the
+%% archive. "someapp" does not have an incl_cond=include statement,
+%% and it is not derived so the it is not included in the target
+%% system.
+create_standalone_app(_Config) -> {skip, "Known bug: escript with inlined archive is not handled correctly by reltool"};
+create_standalone_app(Config) ->
+ %% Create archive
+ DataDir = ?config(data_dir,Config),
+ EscriptDir = filename:join(DataDir,escript),
+ {ok,{_Archive,Bin}} = zip:create("someapp-1.0.ez",["someapp-1.0"],
+ [memory,
+ {cwd,EscriptDir},
+ {compress,all},
+ {uncompress,[".beam",".app"]}]),
+
+ %% Create the escript
+ EscriptName = "someapp.escript",
+ Escript = filename:join(?WORK_DIR,EscriptName),
+ ok = escript:create(Escript,[shebang,
+ {emu_args,"-escript main mymod"},
+ {archive,Bin}]),
+ ok = file:change_mode(Escript,8#00744),
+
+ %% Configure the server
+ Sys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ %% Generate target file
+ TargetDir = filename:join([?WORK_DIR, "target_standalone_app"]),
+ ?m(ok, reltool_utils:recursive_delete(TargetDir)),
+ ?m(ok, file:make_dir(TargetDir)),
+ ok = ?m(ok, reltool:create_target([{config, Sys}], TargetDir)),
+
+ %% Start the target system and fetch root dir
+ BinDir = filename:join([TargetDir, "bin"]),
+ Erl = filename:join([BinDir, "erl"]),
+ {ok, Node} = ?msym({ok, _}, start_node(?NODE_NAME, Erl)),
+ RootDir = ?ignore(rpc:call(Node, code, root_dir, [])),
+ ?msym(ok, stop_node(Node)),
+
+ %% Execute escript
+ Expected = iolist_to_binary(["Root dir: ", RootDir, "\n"
+ "Script args: [\"-arg1\",\"arg2\",\"arg3\"]\n",
+ "ExitCode:0"]),
+ io:format("Expected: ~s\n", [Expected]),
+ ?m(Expected, run(BinDir, EscriptName, "-arg1 arg2 arg3")),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Generate standalone system with multiple escripts
+
+create_multiple_standalone(Config) ->
+ %% First escript
+ ExDir = code:lib_dir(reltool, examples),
+ EscriptName1 = "display_args",
+ Escript1 = filename:join([ExDir, EscriptName1]),
+
+ %% Second escript
+ DataDir = ?config(data_dir,Config),
+ BeamFile = filename:join([DataDir,escript,"someapp-1.0",ebin,"mymod.beam"]),
+ {ok,BeamBin} = file:read_file(BeamFile),
+ EscriptName2 = "mymod.escript",
+ Escript2 = filename:join(?WORK_DIR,EscriptName2),
+ ok = escript:create(Escript2,[shebang,{beam,BeamBin}]),
+ ok = file:change_mode(Escript2,8#00744),
+
+ %% Configure server
+ Sys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript1, [{incl_cond, include}]},
+ {escript, Escript2, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ %% Generate target system
+ TargetDir = filename:join([?WORK_DIR, "target_multiple_standalone"]),
+ ?m(ok, reltool_utils:recursive_delete(TargetDir)),
+ ?m(ok, file:make_dir(TargetDir)),
+ ok = ?m(ok, reltool:create_target([{config,Sys}], TargetDir)),
+
+ %% Start the target system and fetch root dir
+ BinDir = filename:join([TargetDir, "bin"]),
+ Erl = filename:join([BinDir, "erl"]),
+ {ok, Node} = ?msym({ok, _}, start_node(?NODE_NAME, Erl)),
+ RootDir = ?ignore(rpc:call(Node, code, root_dir, [])),
+ ?msym(ok, stop_node(Node)),
+
+ %% Execute escript1
+ Expected1 = iolist_to_binary(["Root dir: ", RootDir, "\n"
+ "Script args: [\"-arg1\",\"arg2\",\"arg3\"]\n",
+ "Smp: false\n",
+ "ExitCode:0"]),
+ io:format("Expected1: ~s\n", [Expected1]),
+ ?m(Expected1, run(BinDir, EscriptName1, "-arg1 arg2 arg3")),
+
+
+ %% Execute escript2
+ Expected2 = iolist_to_binary(["Root dir: ", RootDir, "\n"
+ "Script args: [\"-arg1\",\"arg2\",\"arg3\"]\n",
+ "ExitCode:0"]),
+ io:format("Expected2: ~s\n", [Expected2]),
+ ?m(Expected2, run(BinDir, EscriptName2, "-arg1 arg2 arg3")),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Generate old type of target system
create_old_target(TestInfo) when is_atom(TestInfo) ->
@@ -1183,6 +1361,171 @@ load_config_and_undo(Config) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Load config with escript
+
+load_config_escript_path(_Config) -> {skip,"Known bug: loading config with escript at reltool start creates different #app record than loading same config with load_config"};
+load_config_escript_path(Config) ->
+ %% Create escript
+ DataDir = ?config(data_dir,Config),
+ BeamFile = filename:join([DataDir,escript,"someapp-1.0",ebin,"mymod.beam"]),
+ {ok,BeamBin} = file:read_file(BeamFile),
+ EscriptName = "mymod.escript",
+ Escript = filename:join(?WORK_DIR,EscriptName),
+ ok = escript:create(Escript,[shebang,{beam,BeamBin}]),
+ ok = file:change_mode(Escript,8#00744),
+
+ %% Start reltool_server with one escript in configuration
+ EscriptSys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ {ok, Pid1} = ?msym({ok, _}, reltool:start_server([{config, EscriptSys}])),
+ {ok,[#app{name='*escript* mymod'}=A]} =
+ ?msym({ok,[_]}, reltool_server:get_apps(Pid1,whitelist)),
+ ?m(ok, reltool:stop(Pid1)),
+
+
+ %% Do same again, but now start reltool first with simple config,
+ %% then add escript by loading new configuration and check that
+ %% #app is the same
+ SimpleSys =
+ {sys,
+ [
+ {lib_dirs, []}
+ ]},
+
+ {ok, Pid2} = ?msym({ok, _}, reltool:start_server([{config, SimpleSys}])),
+ ?m({ok,[]}, reltool_server:get_apps(Pid2,whitelist)),
+ ?m({ok,[]}, reltool_server:load_config(Pid2,EscriptSys)),
+ ?m({ok,[A]}, reltool_server:get_apps(Pid2,whitelist)),
+
+ ?m(ok, reltool:stop(Pid2)),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Load config with same (source) escript twice and check that the
+%% application information is not changed.
+
+load_config_same_escript_source(_Config) -> {skip,"Known bug: loading config with same escript (source) twice causes reltool to add same module twice in #app.mods"};
+load_config_same_escript_source(_Config) ->
+ %% Create escript
+ ExDir = code:lib_dir(reltool, examples),
+ EscriptName = "display_args",
+ Escript = filename:join([ExDir, EscriptName]),
+
+ %% Start reltool_server with one escript in configuration
+ Sys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ {ok, Pid} = ?msym({ok, _}, reltool:start_server([{config, Sys}])),
+ {ok,[#app{name='*escript* display_args'}=A]} =
+ ?msym({ok,[_]}, reltool_server:get_apps(Pid,whitelist)),
+
+ %% Load the same config again, then check that app is not changed
+ ?m({ok,[]}, reltool_server:load_config(Pid,Sys)),
+ ?m({ok,[A]}, reltool_server:get_apps(Pid,whitelist)),
+
+ ?m(ok, reltool:stop(Pid)),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Load config with same (beam) escript twice and check that the
+%% application information is not changed.
+
+load_config_same_escript_beam(_Config) -> {skip,"Known bug: loading config with same escript (with inlined beam) twice causes reltool to fail and say module is included by two different applications"};
+load_config_same_escript_beam(Config) ->
+ %% Create escript
+ DataDir = ?config(data_dir,Config),
+ BeamFile = filename:join([DataDir,escript,"someapp-1.0",ebin,"mymod.beam"]),
+ {ok,BeamBin} = file:read_file(BeamFile),
+ EscriptName = "mymod.escript",
+ Escript = filename:join(?WORK_DIR,EscriptName),
+ ok = escript:create(Escript,[shebang,{beam,BeamBin}]),
+ ok = file:change_mode(Escript,8#00744),
+
+ %% Start reltool_server with one escript in configuration
+ Sys =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ {ok, Pid} = ?msym({ok, _}, reltool:start_server([{config, Sys}])),
+ {ok,[#app{name='*escript* mymod'}=A]} =
+ ?msym({ok,[_]}, reltool_server:get_apps(Pid,whitelist)),
+
+ %% Load the same config again, then check that app is not changed
+ ?m({ok,[]}, reltool_server:load_config(Pid,Sys)),
+ ?m({ok,[A]}, reltool_server:get_apps(Pid,whitelist)),
+
+ ?m(ok, reltool:stop(Pid)),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Load config with escript
+
+%% BUG: see OTP-9792, 25)
+load_config_add_escript(_Config) -> {skip,"Known bug: Can not load_config which in addition to an existing escript also adds another escript for which the name sorts before the existing one"};
+load_config_add_escript(Config) ->
+ %% First escript
+ ExDir = code:lib_dir(reltool, examples),
+ EscriptName1 = "display_args",
+ Escript1 = filename:join([ExDir, EscriptName1]),
+
+ %% Second escript
+ DataDir = ?config(data_dir,Config),
+ BeamFile = filename:join([DataDir,escript,"someapp-1.0",ebin,"mymod.beam"]),
+ {ok,BeamBin} = file:read_file(BeamFile),
+ EscriptName2 = "mymod.escript",
+ Escript2 = filename:join(?WORK_DIR,EscriptName2),
+ ok = escript:create(Escript2,[shebang,{beam,BeamBin}]),
+ ok = file:change_mode(Escript2,8#00744),
+
+ %% Start reltool_server with one escript in configuration
+ Sys1 =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript2, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ {ok, Pid} = ?msym({ok, _}, reltool:start_server([{config, Sys1}])),
+
+ %% Add second escript by loading new configuration
+ Sys2 =
+ {sys,
+ [
+ {lib_dirs, []},
+ {escript, Escript1, [{incl_cond, include}]},
+ {escript, Escript2, [{incl_cond, include}]},
+ {profile, standalone}
+ ]},
+
+ {ok,[]} = ?m({ok,[]}, reltool_server:load_config(Pid,Sys2)),
+ {ok,[#app{name='*escript* display_args'},
+ #app{name='*escript* mymod'}]} =
+ ?msym({ok,[_,_]}, reltool_server:get_apps(Pid,whitelist)),
+
+ ?m(ok, reltool:stop(Pid)),
+
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
reset_config_and_undo(Config) ->
Sys1 = {sys,[{lib_dirs,[filename:join(datadir(Config),"faulty_app_file")]},
{incl_cond, exclude},
@@ -1654,14 +1997,16 @@ wait_for_process(Node, Name, N) when is_integer(N), N > 0 ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Run escript
-run(Dir, Cmd0) ->
+run(Dir, Script, Args) ->
+ Cmd0 = filename:rootname(Script) ++ " " ++ Args,
Cmd = case os:type() of
{win32,_} -> filename:nativename(Dir) ++ "\\" ++ Cmd0;
_ -> Cmd0
end,
do_run(Dir, Cmd).
-run(Dir, Opts, Cmd0) ->
+run(Dir, Opts, Script, Args) ->
+ Cmd0 = filename:rootname(Script) ++ " " ++ Args,
Cmd = case os:type() of
{win32,_} -> Opts ++ " " ++ filename:nativename(Dir) ++ "\\" ++ Cmd0;
_ -> Opts ++ " " ++ Dir ++ "/" ++ Cmd0
diff --git a/lib/reltool/test/reltool_server_SUITE_data/Makefile.src b/lib/reltool/test/reltool_server_SUITE_data/Makefile.src
index 35a239bfe2..8ab077d64b 100644
--- a/lib/reltool/test/reltool_server_SUITE_data/Makefile.src
+++ b/lib/reltool/test/reltool_server_SUITE_data/Makefile.src
@@ -14,8 +14,11 @@ DEPENDENCIES= \
dependencies/y-1.0/ebin/y2.@EMULATOR@ \
dependencies/z-1.0/ebin/z1.@EMULATOR@
+ESCRIPT= \
+ escript/someapp-1.0/ebin/mymod.@EMULATOR@
-all: $(OTP9229) $(DEPENDENCIES)
+
+all: $(OTP9229) $(DEPENDENCIES) $(ESCRIPT)
otp_9229/x-1.0/ebin/x.@EMULATOR@: otp_9229/x-1.0/src/x.erl
erlc $(EFLAGS) -ootp_9229/x-1.0/ebin otp_9229/x-1.0/src/x.erl
@@ -38,3 +41,6 @@ dependencies/y-1.0/ebin/y2.@EMULATOR@: dependencies/y-1.0/src/y2.erl
erlc $(EFLAGS) -odependencies/y-1.0/ebin dependencies/y-1.0/src/y2.erl
dependencies/z-1.0/ebin/z1.@EMULATOR@: dependencies/z-1.0/src/z1.erl
erlc $(EFLAGS) -odependencies/z-1.0/ebin dependencies/z-1.0/src/z1.erl
+
+escript/someapp-1.0/ebin/mymod.@EMULATOR@: escript/someapp-1.0/src/mymod.erl
+ erlc $(EFLAGS) -oescript/someapp-1.0/ebin escript/someapp-1.0/src/mymod.erl
diff --git a/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/ebin/someapp.app b/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/ebin/someapp.app
new file mode 100644
index 0000000000..ea2209941e
--- /dev/null
+++ b/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/ebin/someapp.app
@@ -0,0 +1,6 @@
+%% -*- erlang -*-
+{application, someapp,
+ [{description, "Some app for reltool test including archives in escripts"},
+ {vsn, "1.0"},
+ {modules, [someapp]},
+ {applications, [kernel, stdlib]}]}.
diff --git a/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/src/mymod.erl b/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/src/mymod.erl
new file mode 100644
index 0000000000..b6c71c666d
--- /dev/null
+++ b/lib/reltool/test/reltool_server_SUITE_data/escript/someapp-1.0/src/mymod.erl
@@ -0,0 +1,26 @@
+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+%% $Id$
+%%
+-module(mymod).
+
+-export([main/1]).
+
+%%%-----------------------------------------------------------------
+%%% escript main function
+main(Args) ->
+ io:format("Root dir: ~s\n", [code:root_dir()]),
+ io:format("Script args: ~p\n", [Args]).