', out) or sts
else:
sts = printsum(f, out) or sts
else:
sts = sum(f, out) or sts
return sts
def printsum(filename, out=sys.stdout):
try:
fp = open(filename, rmode)
except IOError, msg:
sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
return 1
if fnfilter:
filename = fnfilter(filename)
sts = printsumfp(fp, filename, out)
fp.close()
return sts
def printsumfp(fp, filename, out=sys.stdout):
m = md5.new()
try:
while 1:
data = fp.read(bufsize)
if not data:
break
m.update(data)
except IOError, msg:
sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
return 1
out.write('%s %s\n' % (m.hexdigest(), filename))
return 0
def main(args = sys.argv[1:], out=sys.stdout):
global fnfilter, rmode, bufsize
try:
opts, args = getopt.getopt(args, 'blts:')
except getopt.error, msg:
sys.stderr.write('%s: %s\n%s' % (sys.argv[0], msg, usage))
return 2
for o, a in opts:
if o == '-l':
fnfilter = os.path.basename
elif o == '-b':
rmode = 'rb'
elif o == '-t':
rmode = 'r'
elif o == '-s':
bufsize = int(a)
if not args:
args = ['-']
return sum(args, out)
if __name__ == '__main__' or __name__ == sys.argv[0]:
sys.exit(main(sys.argv[1:], sys.stdout))