Colored Character Diff

 ccdiff is a colored diff that also colors inside changed lines.
 .
 All command-line tools that show the difference between two files fall short
 in showing minor changes visually useful. ccdiff tries to give the look and
 feel of `diff --color` or `colordiff`, but extending the display of colored
 output from colored deleted and added lines to colors for deleted and added
 characters within the changed lines.