Erlang Programming Examples

Erlang BIFS Processes

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[erlang:processes()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~w~n",[erlang:ports()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[erlang:now()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[erlang:memory()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[erlang:localtime()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   put(1,"One"), 
   put(2,"Two"), 
   io:fwrite("~p~n",[get()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   put(1,"One"), 
   put(2,"Two"), 
   io:fwrite("~p~n",[get()]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[float(5)]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[element(2, {a, b, c})]).

erlang

-module(helloworld). 
-export([start/0]). 

start() -> 
   io:fwrite("~p~n",[byte_size(<<1,2,3>>)]).

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