update

wangzhengquan

2021-01-20 a4d18d6ab3216ce1bf8052f0fdc4ea34bc6385e8

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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