title: Commas in gnuplot labels
body: <p>I'm plottng monetary data with gnuplot and currently I've managed to set the labels on the y axis to be floating point values with no decimals (rather than exponentials) but I want to be able to add comma's to the label but I cant figure out how.</p>
  
  <p>Any ideas?</p>
  
  <p>i.e. The current output gives me £25000000 - as you can see, the data isn't grouped - I want to split it in thousands so it appears as £25,000,000.</p>
  
  <p>EDIT:
  My current setting is</p>
  
  <p><code>set format y '£%.0f'</code></p>