su: ignore --preserve-environment, it's mutually exclusive to --login.
Error in parse(file, keep.source = FALSE, srcfile = src, encoding = enc) : 
  /home/cld189/ShinyApps/app.R:392:2: unexpected ')'
391: 
392: })
      ^
Possible missing comma at:
314:        for (i in 1:ncol(data)) {
                   ^
Possible missing comma at:
314:        for (i in 1:ncol(data)) {
                      ^
Possible missing comma at:
320:        for (i in 1:ncol(data)) {
                   ^
Possible missing comma at:
320:        for (i in 1:ncol(data)) {
                      ^
Possible missing comma at:
357:       content = function(file) file.copy(fileName, file)
                                    ^
Possible unmatched ')' at:
392:})    
     ^
Possible unmatched '}' at:
404:}
    ^
Error in sourceUTF8(fullpath, envir = new.env(parent = globalenv())) : 
  Error sourcing /home/cld189/ShinyApps/app.R
Calls: runApp -> <Anonymous> -> appObj -> func -> sourceUTF8
Execution halted