lib

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lib Useful library functions.

This module is retained for backward compatibility. It can disappear without warning in a future Erlang/OTP release.

Print error message.

Prints error message Args in accordance with Format. Similar to io:format/2.

Flush messages.

Flushes the message buffer of the current process.

Remove last newline.

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

Return name of Erlang start script.

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

Send a message.

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