tryCatch in R [Software]

posted by mittyri – Russia, 2022-08-31 19:53 (542 d 21:17 ago) – Posting: # 23245
Views: 1,530

Hi ElMaestro,

❝ You can try the following simpler example:

a=system(command="hamburger", intern=T)

❝ The following is printed to the console:

sh: 1: hamburger: not found

❝ Error in system(command = "hamburger", intern = T) :

❝ error in running command

❝ But this isn't the content of the variable a as I was hoping. Note that in this example, an error is produced but not in the R sense, only in the system (or system2) sense. Thus, there is no gain in putting the code into try{} brackets.


maybe I misunderstood your goal but won't
tryCatch(
  {   
    a <- system(command="hamburger", intern = T)
  }, 
  error = function(cond) {
    a <<- cond
  }
)

work?

Kind regards,
Mittyri

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