1
這是我.erlang文件:代碼:add_path和在命令行上使用-pa有什麼區別?
code:add_path("/home/root/projects/myapp/ebin").
code:add_path("/home/root/projects/esmtp/ebin").
application:load(esmtp),
application:set_env(esmtp, smarthost, {"localhost",25}),
application:set_env(esmtp, default_from, "<stuff>"),
application:start(esmtp).
當我運行:
erl -boot myapp
失敗:
{"init terminating in do_boot",{'cannot get bootfile','myapp.boot'}}
Crash dump was written to: erl_crash.dump
init terminating in do_boot()
但是,如果我運行:
erl -boot myapp -pa /home/root/projects/myapp/ebin
它工作正常。這讓我相信,在命令行上的-pa與在.erlang文件中的代碼:add_path()不同。我知道.erlang文件是有效的,因爲esmtp加載並正確運行。 -pa和code:add_path()有什麼區別?
非常好,謝謝。 –