update

wangzhengquan

2020-12-03 f5f063a8d4fdf1e9e967a2206f7cc8de2d549b66

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ipcrm -a
rm *.txt
./test_lostdata
sort -n c.txt  > c1.txt
sort -n p.txt  > p1.txt
diff -u p1.txt c1.txt