modified:   docs/edit_1   2014-08-18
 add a commond of awk useage
	modified:   docs/edit_1
	new file:   docs/the_awk_programming
	new file:   src/read elementary-algorithms/examples/ch01.py
	new file:   src/read elementary-algorithms/examples/data1.txt
	new file:   src/read elementary-algorithms/examples/data2.txt
	new file:   src/read elementary-algorithms/examples/example.txt

	2014 - 09 -23 just for save edit_1