System.Process.Microlens

This module provides all of the optical exports, as well ask any associated combinators. For just the optics, see Optics, or if you are in need of something lighter weight, just for working with a CreateProcess in terms of getters and setters, see https://hackage.haskell.org/package/microlens

For more information on usage and how to work with lenses, see http://github.com/ekmett/lens/wiki and the tests for example uses. You can also ask questions on Freenode in the #haskell-lens channel.

Lenses

cmdspec_ :: Lens' CreateProcess CmdSpec

Lens into the cmdspec entry of the CreateProcess record

cwd_ :: Lens' CreateProcess (Maybe FilePath)

Lens into the cwd entry of the CreateProcess record

env_ :: Lens' CreateProcess (Maybe [(String, String)])

Lens into the env entry of the CreateProcess record

stdin_ :: Lens' CreateProcess StdStream

Lens into the std_in entry of the CreateProcess record

stdout_ :: Lens' CreateProcess StdStream

Lens into the std_out entry of the CreateProcess record

stderr_ :: Lens' CreateProcess StdStream

Lens into the std_err entry of the CreateProcess record

closefds :: Lens' CreateProcess Bool

Lens into the close_fds entry of the CreateProcess record

creategroup :: Lens' CreateProcess Bool

Lens into the create_group entry of the CreateProcess record

delegatectlc :: Lens' CreateProcess Bool

Lens into the delegate_ctlc entry of the CreateProcess record

detachconsole :: Lens' CreateProcess Bool

Lens into the detach_console entry of the CreateProcess record

newsession :: Lens' CreateProcess Bool

Lens into the new_session entry of the CreateProcess record

childgroup :: Lens' CreateProcess (Maybe CGid)

Lens into the child_group entry of the CreateProcess record

childuser :: Lens' CreateProcess (Maybe CUid)

Lens into the child_user entry of the CreateProcess record

useprocessjobs :: Lens' CreateProcess Bool

Lens into the use_process_jobs entry of the CreateProcess record

Traversals

arguments :: Traversal' CmdSpec [String]

Traversal' into the arguments of a command

Examples:

>>> RawCommand "/bin/ls" ["-l"] ^. arguments
["-l"]

Classy Lenses

class HasStdin a where

Classy lens for types with a stdin

Methods

_Stdin :: Lens' a StdStream

Instances

HasStdin CreateProcess

Defined in System.Process.Microlens.CreateProcess

Methods

_Stdin :: Lens' CreateProcess StdStream

HasStdin StdStream

Defined in System.Process.Microlens.CreateProcess

Methods

_Stdin :: Lens' StdStream StdStream

class HasStdout a where

Classy lens for types with a stdout

Methods

_Stdout :: Lens' a StdStream

Instances

HasStdout CreateProcess

Defined in System.Process.Microlens.CreateProcess

Methods

_Stdout :: Lens' CreateProcess StdStream

HasStdout StdStream

Defined in System.Process.Microlens.CreateProcess

Methods

_Stdout :: Lens' StdStream StdStream

class HasStderr a where

Classy lens for types with a stderr

Methods

_Stderr :: Lens' a StdStream

Instances

HasStderr CreateProcess

Defined in System.Process.Microlens.CreateProcess

Methods

_Stderr :: Lens' CreateProcess StdStream

HasStderr StdStream

Defined in System.Process.Microlens.CreateProcess

Methods

_Stderr :: Lens' StdStream StdStream

Combinators

arguing :: String -> CmdSpec -> CmdSpec

Append an argument to the argument list of a RawCommand

Examples:

>>> arguing "-h" $ RawCommand "/bin/ls" ["-l"]
RawCommand "/bin/ls" ["-l","-h"]

>>> arguing "-h" (RawCommand "/bin/ls" ["-l"]) ^. arguments
["-l","-h"]