Portability	portable
Stability	experimental
Maintainer	jeremy@n-heptane.com
Safe Haskell	Safe-Infered

Control.Pipe.Tee

Description

The tee combinators act like idP, but also send a copy of the input to the supplied Consumer (e.g. a file). This is typically done for the purpose of logging a pipeline, showing progress, etc.

Synopsis

Documentation

tee Source

Arguments

:: Monad m
=> Pipe a Void m r	`Consumer` that will receive a copy of all the input
-> Pipe a a m r

Acts like idP, but also passes a copy to the supplied consumer.

teeFile Source

Arguments

:: MonadIO m
=> (a -> ByteString)	function to convert the value to a `ByteString` which can be written to the log
-> FilePath	file to log to
-> Pipe a a m ()

Acts like idP, but also writes a copy to a file.

teeFileBS Source

Arguments

:: MonadIO m
=> FilePath	file to log to
-> Pipe ByteString ByteString m ()

Acts like, idP, but also writes a copy to the specified log file.

This function is equivalent to teeFile id.