spawn-executable ( command -- path/f )

Vocabulary

io.launcher.unix

Inputs

command

an object

Outputs

path/f

an object

Definition

USING: environment io.backend io.pathnames kernel sequences
splitting ;

IN: io.launcher.unix

:: spawn-executable ( command -- path/f )
    47 command member?
    [ command ] [
        "PATH" os-env [
            ":" split [
                command append-path
                normalize-path dup spawn-candidate?
                [ drop f ] unless
            ] map-find drop
        ] [ f ] if*
    ] if ;