Example use:

$ find ~/src/home-svn -type f -name '*.py' -print0 | line-lengths-summary
minimum 1
maximum 406
range 405
count 250263
sum 8603489
arithmetic_mean 34.377790564326325
geometric_mean 18.85801205031986
median 29
mode 1
standard_deviation 28.12986448285882
median_absolute_deviation 17
mean_absolute_deviation 21.76450985814677
74278 1 <= x < 18     ************************************************************
72472 18 <= x < 35    ***********************************************************
46763 35 <= x < 52    **************************************
27413 52 <= x < 69    **********************
14485 69 <= x < 86    ************
 6550 86 <= x < 103   *****
 5252 103 <= x < 120  ****
 2800 120 <= x < 137  **
  164 137 <= x < 154
   74 154 <= x < 171
    4 171 <= x < 188
    1 188 <= x < 205
    0 205 <= x < 222
    0 222 <= x < 239
    0 239 <= x < 256
    0 256 <= x < 273
    0 273 <= x < 290
    0 290 <= x < 307
    0 307 <= x < 324
    0 324 <= x < 341
    0 341 <= x < 358
    0 358 <= x < 375
    0 375 <= x < 392
    7 392 <= x <= 406

It is not limited to only doing Python code. Also, it is not limited to any particular unicode encoding - both filenames and lines are treated as bytes.

You can get a quick list of files that have oversized line lengths with:

• line-lengths-summary --report-length 400

You can e-mail the author with questions or comments: