shell交互

在erlang shell中可使用的函数

b()
Prints the current variable bindings.

f()
Removes all variable bindings.

f(X)
Removes the binding of variable X.

h()
Prints the history list.

c(File)
Evaluates shell_default:c(File). This compiles and loads code in File and purges old versions of code


rd(RecordName, RecordDefinition) 定义record
   rd(myrecord, {id, name}.
   Recorde = #myrecord{id = 1, name = "catdoc"}.

rl()
Prints all record definitions.


The c module enables users to enter the short form of some commonly used commands.

pwd()   ---> file:get_cwd().  获取当前路径
cd("catdoc"). 改变当前路径
m() -> ok   Displays information about the loaded modules
m(ModuleName)   显示模块的信息
memory()  显示内存信息
regs() -> ok
nregs() -> ok   regs/0 displays information about all registered processes.