title: Why in R string entries do not get read into the data.frame?
body: <p>I have a <code>data.tsv</code> file (tabs separate entries). The full file can be found <a href="https://drive.google.com/file/d/1s2AelZ6MYdX4-RRmgPLJPlKrwUN2pEK2/view?usp=sharing" rel="nofollow noreferrer">here</a>.</p>
  
  <p>The entries in the file look like this:</p>
  
  <pre><code>"&gt;173D:C"   "TVPGVXTVPGV"   "CCSCCCCCCCC"
  "&gt;173D:D"   "TVPGVXTVPGV"   "CCCCCCCCSCC"
  "&gt;185D:A"   "SAXVSAXV"  "CCBCCCBC"
  "&gt;1A0M:B"   "GCCSDPRCNMNNPDYCX" "CCTTSHHHHHTCTTTCC"
  "&gt;1A0M:A"   "GCCSDPRCNMNNPDYCX" "CGGGSHHHHHHCTTTCC"
  "&gt;1A0N:A"   "PPRPLPVAPGSSKT"    "CCCCCCCCSTTCCC"
  </code></pre>
  
  <p>I am trying to read string entries into the data frame (into a matrix
  containing 3 columns):</p>
  
  <pre><code>data = data.frame(read.csv(file = './data.tsv', header = FALSE, sep = '\t'))
  </code></pre>
  
  <p>but only the first column is read. All other columns are empty.</p>
  
  <p>I also tried different commands, such as</p>
  
  <pre><code>data = read.csv(file = './data.tsv', header = FALSE, sep = '\t')
  data = read.csv(file = './data.tsv', sep = '\t')
  data = data.frame(read.csv(file = './data.tsv'))
  </code></pre>
  
  <p>but without success. Can someone foresee why the input does not get read
  successfully?</p>