intcmp(1): new tool; npc(1): new tool; scrut(1): new tool; str(1): new tool; strcmp(1): new tool; tests: added POSIX compatibility test and C compiler compatibility test; Makefile: converted to GNUmakefile; README: added README; docs: added docs

README

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+“Seek not to walk the path of the masters; seek what they sought.”
+– Matsuo Basho
+
+The Bonsai core utilities are the result of the careful examination of the
+current state of POSIX and Unix utilies. The Unix Philosophy, “do one thing and
+do it well” is its core but these tools do not cling to the names of the past.
+
+The era of the original Unix tools has been long and fruitful, but they have
+their flaws. The new, non-POSIX era of this project started with frustration
+with the way certain tools work and how other projects that extend POSIX don’t
+make anything better.
+
+This project will not follow in the footsteps of GNU; extensions of POSIX will
+not be found here. GNU extensions are a gateway to the misuse of the shell. The
+Bonsai core utilities will intentionally discourage use of the shell for
+purposes beyond its scope.
+
+See docs/ for more on the specific utilities currently implemented.
+
+Read More
+
+An Introduction to the Unix Shell
+<https://porkmail.org/era/unix/shell>
+
+Master Foo and the Ten Thousand Lines
+<http://www.catb.org/~esr/writings/unix-koans/ten-thousand.html>
+
+Master Foo Discourses on the Unix-Nature
+<http://www.catb.org/~esr/writings/unix-koans/unix-nature.html>
+
+Shell Programming!
+<https://tldp.org/LDP/abs/html/why-shell.html>