Run a command named a.
Run a command named a and pipe it's stdout into a file named afile.
Run a command named a and pipe it's stdout into a file named afile. Then
run a.
Run a command named a and return it's stdout as a variable.
Invalid usage. var().a() will return a byte string.
Run a command named a and pipe it's stdout of into command named b.
Run a command named a and pipe it's stdout of into command named b, and
return b's stdout as a variable
Invalid. An executable with a invalid python name can't be called like this.
Run an exe with the name 'exe-with-invalid-name'
Change current working dir.
Declare end of a pipe. Read from stdout/err until the last command finishes.
Tell the shell to pipe the next commands together until the end command is met. Each command is executed in a pipe, and when end is called that last one is read until it finishes. Maybe equivalent to calling redir before each command
Tell the shell to redirect stdin/out/err to a file, /dev/null, or a variable for the next command. Can be used in a pipe
Tell the shell to redirect stdin/out/err to a variable.
Output the path to the exe a command is associated with.