title: If file exists in folder read it else skip the processing part
body: <p>I am reading in several *.csv, where the names and paths are determined at runtime. </p>
  
  <p>However sometimes there are files with do not exist. For this file I need kind of exception handling. </p>
  
  <p>Currently I am reading in my files with:</p>
  
  <pre><code>    companyFileName &lt;- paste("C://Users//Prices//",companiesIsin,".csv")
  df &lt;- read.csv(gsub(" ","", companyFileName, fixed=TRUE), header = TRUE, sep = ";",stringsAsFactors=FALSE)
  </code></pre>
  
  <p>When the file does not exist in the folder I am getting an error. Is there something like exception handling in R?</p>
  
  <p>I appreciate your reply!</p>