000
get the files name and save what the users input _ with ':w' to save and quit
running result:
defect: no pop up message for user to input the text.
standar:
001
to print the specific path file with defined lines
running result:
another solution:
002
to print specific lines for a file :
running result:
another solution:
running result:
003
to compare 2 files difference
running result:
004
to find a word and replace with another one in a file:
running result:
reffered:
http://bbs.fishc.com/forum.php?mod=viewthread&tid=45279&extra=page%3D1%26filter%3Dtypeid%26typeid%3D403
find and replace a word in a string:
http://blog.csdn.net/u011860731/article/details/46956953
http://blog.csdn.net/seetheworld518/article/details/47346143
open a unicode txt:
http://www.cnblogs.com/mengyu/p/6638975.html