To use this module, put the command
vixie-specification)) into your program.
This module exports a couple of functions for adding jobs to the internal job list according to a Vixie-style crontab file.
This procedure reads a crontab from the given port, and adds jobs to the job list accordingly, taking care of environment specifications and comments which may appear in such a file.
parse-line should not normally be used, except that if you are parsing a (deprecated)
/etc/crontabfile with a slightly modified syntax, you may pass the value parse-system-vixie-line as the optional argument.
This procedure attempts to open the named file, and if it fails will return silently. Otherwise, the behaviour is identical to
Once this module has been declared in a program, a crontab file can be
used to augment the current job list with a call to