Sys.CmdSpec

Documentation

data CmdSpec

Constructors

ShellCommand String

A command line to execute using the shell

RawCommand FilePath [String]

The name of an executable with a list of arguments

The FilePath argument names the executable, and is interpreted according to the platform's standard policy for searching for executables. Specifically:

• on Unix systems the execvp(3) semantics is used, where if the executable filename does not contain a slash (/) then the PATH environment variable is searched for the executable.
• on Windows systems the Win32 CreateProcess semantics is used. Briefly: if the filename does not contain a path, then the directory containing the parent executable is searched, followed by the current directory, then some standard locations, and finally the current PATH. An .exe extension is added if the filename does not already have an extension. For full details see the documentation for the Windows SearchPath API.

Instances

Eq CmdSpec

Methods

(==) :: CmdSpec -> CmdSpec -> Bool

(/=) :: CmdSpec -> CmdSpec -> Bool

Ord CmdSpec

Methods

compare :: CmdSpec -> CmdSpec -> Ordering

(<) :: CmdSpec -> CmdSpec -> Bool

(<=) :: CmdSpec -> CmdSpec -> Bool

(>) :: CmdSpec -> CmdSpec -> Bool

(>=) :: CmdSpec -> CmdSpec -> Bool

max :: CmdSpec -> CmdSpec -> CmdSpec

min :: CmdSpec -> CmdSpec -> CmdSpec

Show CmdSpec

Methods

showsPrec :: Int -> CmdSpec -> ShowS

show :: CmdSpec -> String

showList :: [CmdSpec] -> ShowS

IsString CmdSpec

Methods

fromString :: String -> CmdSpec

(Choice p, Applicative f) => AsRawCommand p f CmdSpec

Methods

_RawCommand :: Optic' * * p f CmdSpec (FilePath, [String])

(Choice p, Applicative f) => AsShellCommand p f CmdSpec

Methods

_ShellCommand :: Optic' * * p f CmdSpec String

Applicative f => AsExecutableArguments (->) f CmdSpec

Methods

_ExecutableArguments :: Optic' * * (->) f CmdSpec [String]

Applicative f => AsExecutableName (->) f CmdSpec

Methods

_ExecutableName :: Optic' * * (->) f CmdSpec FilePath

AsCmdSpec p f CmdSpec

Methods

_CmdSpec :: Optic' * * p f CmdSpec CmdSpec

class AsCmdSpec p f s where

Methods

_CmdSpec :: Optic' p f s CmdSpec

Instances

Functor f => AsCmdSpec (->) f CreateProcess

Methods

_CmdSpec :: Optic' * * (->) f CreateProcess CmdSpec

(Profunctor p, Functor f) => AsCmdSpec p f CmdSpec

Methods

_CmdSpec :: Optic' * * p f CmdSpec CmdSpec

AsCmdSpec p f CmdSpec

Methods

_CmdSpec :: Optic' * * p f CmdSpec CmdSpec

class AsExecutableName p f s where

Methods

_ExecutableName :: Optic' p f s FilePath

Instances

Applicative f => AsExecutableName (->) f CmdSpec

Methods

_ExecutableName :: Optic' * * (->) f CmdSpec FilePath

Applicative f => AsExecutableName (->) f CreateProcess

Methods

_ExecutableName :: Optic' * * (->) f CreateProcess FilePath

AsExecutableName p f FilePath

Methods

_ExecutableName :: Optic' * * p f FilePath FilePath

class AsExecutableArguments p f s where

Methods

_ExecutableArguments :: Optic' p f s [String]

Instances

Applicative f => AsExecutableArguments (->) f CmdSpec

Methods

_ExecutableArguments :: Optic' * * (->) f CmdSpec [String]

Applicative f => AsExecutableArguments (->) f CreateProcess

Methods

_ExecutableArguments :: Optic' * * (->) f CreateProcess [String]

AsExecutableArguments p f [String]

Methods

_ExecutableArguments :: Optic' * * p f [String] [String]

class AsShellCommand p f s where

Methods

_ShellCommand :: Optic' p f s String

Instances

Applicative f => AsShellCommand (->) f CreateProcess

Methods

_ShellCommand :: Optic' * * (->) f CreateProcess String

(Choice p, Applicative f) => AsShellCommand p f CmdSpec

Methods

_ShellCommand :: Optic' * * p f CmdSpec String

AsShellCommand p f String

Methods

_ShellCommand :: Optic' * * p f String String

class AsRawCommand p f s where

Methods

_RawCommand :: Optic' p f s (FilePath, [String])

Instances

Applicative f => AsRawCommand (->) f CreateProcess

Methods

_RawCommand :: Optic' * * (->) f CreateProcess (FilePath, [String])

(Choice p, Applicative f) => AsRawCommand p f CmdSpec

Methods

_RawCommand :: Optic' * * p f CmdSpec (FilePath, [String])

AsRawCommand p f (FilePath, [String])

Methods

_RawCommand :: Optic' * * p f (FilePath, [String]) (FilePath, [String])