diffstat - make histogram from diff-output
diffstat [options] [file-specifications]
This program reads the output of diff and displays a histogra
+m of the
insertions, deletions, and modifications per-file.
Diffstat is a program that is useful for reviewing large, compl
files. It reads from one or more input files which contain out
diff, producing a histogram of the total lines changed for ea
referenced. If the input filename ends with .bz2, .Z or .gz,
will read the uncompressed data via a pipe.