Count your website's LOC using one Linux command(karim-ouda.blogspot.com)
karim-ouda.blogspot.com
Count your website's LOC using one Linux command
http://karim-ouda.blogspot.com/2012/07/counting-lines-of-code-for-your-website.html
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... or cloc: http://cloc.sourceforge.net/
Any shell script can be made one line with enough semicolons.
highly under-used: grep -c -e . -r .
methinks the point of this is to do it without installing other tools.
http://www.dwheeler.com/sloccount/