PythonMD5 file generation code

Use python to implement the core implementation code of file md5 generation code. Import md5
Import sys
Def sumfile (fobj ):
M = md5.new ()
While True:
D = fobj. read (8096)
If not d:
Break
M. update (d)
Return m. hexdigest ()
Def md5sum (fname ):
If fname = '-':
Ret = sumfile (sys. stdin)
Else:
Try:
F = file (fname, 'RB ')
Except t:
Return 'failed' to open file'
Ret = sumfile (f)
F. close ()
Return ret
If _ name _ = '_ main __':
For fname in sys. argv [1:]:
Print '% 32 s % s' % (md5sum (fname), fname)

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