exec

module methods:

• Command
• $
• Pipe
• |

Command

Returns the Cmd struct to execute the named program with the given arguments.

(exec Command name(string) args(string)...) -> cmd

$

Alias of Command.

(exec $ name(string) args(string)...) -> cmd

Pipe

Executes cmd one by one in the pipeline, and returns a 2-elements list, where first is stdout of last cmd, and second is stderr of cmd. It returns an error, if any.

(exec Piple cmd(cmd)...) -> [stdout, stderr]

|

Alias of Pipe.

(exec | cmd(cmd)...) -> [stdout, stderr]