wc.sh

   1 #!/bin/sh
   2
   3 # How big is this project anyway? Crudely estimate non-comment source lines..
   4
   5 echo -n "approximate Lisp source lines: "
   6 find . -name "*.lisp" -print | xargs egrep -hs '^[      ]*[^    ;]' | wc -l
   7 echo -n "approximate Lisp source non-whitespace chars: "
   8 find . -name "*.lisp" -print | xargs egrep -hs '^[      ]*[^    ;]' \
   9   | perl -ne 's/\s//g ; print' | wc -c
  10 # some errors in Lisp counting above:
  11 #   * doesn't catch #| .. |#
  12 #   * doesn't catch #+NIL convention for commenting out forms
  13 #   * doesn't catch stale source files which are no longer used
  14
  15 echo -n "approximate C source lines: "
  16 find . -name "*.[ch]" -print | xargs egrep -s '^[       ]*[^    /*]' | wc -l
  17 # errors:
  18 #   * only crudely approximates "/*"-style commenting (using the assumption
  19 #     that all lines beginning with "/" or "*" are beginning of comments or
  20 #     continuation of comments respectively)
  21 #   * doesn't catch #if 0 convention for commenting out blocks
  22 #   * doesn't catch stale source files which are no longer used
  23
  24 echo "(ignoring .sh, .S, etc.)"