System.Process.Common

Documentation

class ProcessMaker a where

Methods

process :: a -> IO (Handle, Handle, Handle, ProcessHandle)

Instances

ProcessMaker CreateProcess

This is the usual maker argument to readCreateProcess.

ProcessMaker (CreateProcess, BufferMode, BufferMode)

Passing this to readCreateProcess as the maker argument allows you to set the buffer mode of the process stdout and stderr handles just after the handles are created. These are set to BlockBuffering by default, but for running console commands LineBuffering is probably what you want.

class ListLikeIO a c => ListLikeProcessIO a c where

Methods

forceOutput :: a -> IO a

readChunks :: Handle -> IO [a]

Read from a handle, returning a lazy list of the monoid a.

Instances

ListLikeProcessIO String Char

Like readProcessWithExitCode that takes a CreateProcess.

ListLikeProcessIO ByteString Word8

Like readProcessWithExitCode, but using ByteString

ListLikeProcessIO ByteString Word8

Like readProcessWithExitCode, but using ByteString

ListLikeProcessIO Text Char

Like readProcessWithExitCode, but using Text

ListLikeProcessIO Text Char

Like readProcessWithExitCode, but using Text

class Monoid b => ProcessOutput a b | b -> a where

Methods

pidf :: ProcessHandle -> b

outf :: a -> b

errf :: a -> b

intf :: SomeException -> b

codef :: ExitCode -> b

Instances

ListLikeProcessIO a c => ProcessOutput a [Chunk a]

ListLikeProcessIO a c => ProcessOutput a (ExitCode, [Chunk a])

ListLikeProcessIO a c => ProcessOutput a (ExitCode, a, a)

readProcessWithExitCode

Arguments

:: ListLikeProcessIO a c

=> FilePath

command to run

-> [String]

any arguments

-> a

standard input

-> IO (ExitCode, a, a)

exitcode, stdout, stderr

Like readProcessWithExitCode, but with generalized input and output type.

readCreateProcessWithExitCode

Arguments

:: (ProcessMaker maker, ListLikeProcessIO a c)

=> maker

command and arguments to run

-> a

standard input

-> IO (ExitCode, a, a)

exitcode, stdout, stderr

readCreateProcess :: (ProcessMaker maker, ProcessOutput a b, ListLikeProcessIO a c) => maker -> a -> IO b

readCreateProcessLazy :: (ProcessMaker maker, ProcessOutput a b, ListLikeProcessIO a c) => maker -> a -> IO b

Like readCreateProcess, but the output is read lazily.