lib

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lib A number of useful library functions

This module is retained for compatibility. It may disappear without warning in a future release.

Flush messages

Flushes the message buffer of the current process.

Print error message

Prints error message Args in accordance with Format. Similar to io:format/2, see io(3).

Return name of Erlang start script

Returns the name of the script that started the current Erlang session.

Remove last newline

Removes the last newline character, if any, in String1.

Send a message

This function to makes it possible to send a message using the apply/3 BIF.

Send a message and wait for an answer

As send/2, but waits for an answer. It is implemented as follows:


sendw(To, Msg) ->
    To ! {self(),Msg},
    receive
        Reply -> Reply
    end.

The message returned is not necessarily a reply to the message sent.