global Read (string filename, map options) -> list

Read crontab contents

Parameters:

filename
options

Return value:

crontab contents

global Write (string filename, list blocks) -> boolean

Write crontab contents

Parameters:

filename
blocks

Return value:

true on success

global AddSimple (string comment, map envs, string command, map event, string file) -> boolean

Add a simple cron job with comment and env. variables

Parameters:

comment
envs
command
event	event time: dom, dow, hour, minute, month, special
file

Return value:

true on success