prerequisites | R Documentation |
targets()
returns a character vector of all unique values of target
properties,
prerequisites()
returns depends
and script
properties,
and tasks()
returns task
properties of the given rule()
or list of rules.
prerequisites(x) targets(x) tasks(x) terminals(x)
x |
An instance of the |
terminals()
returns only such targets that are not prerequisites to any other rule.
A character vector of unique values of the selected property obtained from all rules in x
Michal Burda
rule()
job <- 'data.csv' %>>% rRule('process.R', task='basic') %>>% 'data.rds' %>>% markdownRule('report.Rnw', task='basic') %>>% 'report.pdf' prerequisites(job) # returns c('process.R', data.csv', 'report.Rnw', 'data.rds') targets(job) # returns c('data.rds', 'report.pdf') tasks(job) # returns 'basic'
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