nxt is one of Magic Hand command. Or one of one line shell script engine. It is the fastest solution of file operation.
nxt .. email@example.com r@ firstname.lastname@example.org .[Enter]
1.nxt go to previous directory and execute ls command.
2.get file name of "foo.txt".
3.return to original directory.
4.rename as "bar.txt"
nxt g@*txt text m@ .[Enter]
1.nxt get "*txt" file name.
2.go to "text" directory.
3.move the files of "*txt" to current directory.
(nxt's move command is "REAL MOVE" command.(cp A B;rm A;))
nxt src "emacs nxt.c" .. make[Enter]
1.nxt go to "src" directory.
2.execute "emacs nxt.c"