escript
escript
Command
escript
Command summary
Erlang scripting support
Description
escript provides support for running short Erlang programs without having to compile them first, and an easy way to retrieve the command-line arguments.
Exports
script-name script-arg1 script-arg2...escript escript-flags script-name script-arg1 script-arg2...
escript runs a script written in Erlang.
Example:
$ chmod u+x factorial
$ cat factorial
#!/usr/bin/env escript
%% -*- erlang -*-
%%! -smp enable -sname factorial -mnesia debug verbose
main([String]) ->
try
N = list_to_integer(String),
F = fac(N),
io:format("factorial ~w = ~w\n", [N,F])
catch
_:_ ->
usage()
end;
main(_) ->
usage().
usage() ->
