awc: calculate statistics of the input files
(handles the hungarian charset, too)

Parameters:
-c: bytes
-m, -C: characters (numbers and letters)
-l: lines
-w: words (separated by spaces)
-n, -name: suppress the names of the results
-all: calculate everything
-f {format_str}: specify formatting of the results.
  The variables:
  - BYTES
  - CHARS
  - LINES
  - WORDS

The display order is: bytes, chars, lines, words

Examples:
afind *.cpp | awc -l
  -> count the number of the lines of the whole source code

acat ... | awc -l -c -w -f 'words: $(WORDS) lines: $(LINES) bytes: $(BYTES)'
  -> show the results in a more informative line