Mini-Unix/bin/cp

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b	fb%	a
@&	b5
b	fb%	a:cf	ac@&	Fb!E%@@dҔ/ҥ/
@dc@&	Fb-@-:
b	fb%	aN@&	a5&bbN:cf	fb%@-

c	fb%	a:cf	$b%5
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f@ww0cw7FUsage: cp oldfile newfile
Cannot open old file.
Copying file to itself.
Can't create new file.
Read error
Write error.