Simple try/catch in R

try_catch_simple_R

R Notes: 
# tryCath Example 
# http://stackoverflow.com/questions/12193779/how-to-write-trycatch-in-r
  out <- tryCatch({ 
                   pp <- find.package(packageName,lib.loc=lib.loc),
                  },
                  error=function(cond) {
                          cat("packageName or lib.loc in ",
                               "packageRSubdirectoryLinesOfCode",
                               "does not seem to exist \n") 
                          return(NULL)
                        },
                  warning=function(cond) {
                          cat("packageName or lib.loc in ",
                               "packageRSubdirectoryLinesOfCode",
                               "does not seem to exist \n") 
                          return(NULL)
                          },
                  finally={}
                 )