对具有相同列的两个文件进行排序将给出不同的排序 [英] Sorting two files that have the same column gives different sorting

问题描述

对不起，标题，但我不知道该怎么解释:

I am sorry for the title but I didn't know how to explain this:

我试图对两个文件进行排序，因为我想将它们合并，它们看起来像这样:

I am trying to sort two files because I want to merge them, they look like this:

test1.txt

rs1010735   224915429
rs1010805   38189142
rs10108     114516330
rs1010863   185432942
rs1010891   110712154
rs1010910   61212213
rs1011124   7533164

和

test2.txt

rs1010735 C
rs1010805 T
rs1010863 T
rs1010891 T
rs10108  C
rs1010910 A
rs1011124 A

我使用sort -k1 test1.txt和sort -k1 test2.txt并得到了:

test1_sort.txt

rs1010735   224915429
rs1010805   38189142
rs10108 114516330
rs1010863   185432942
rs1010891   110712154
rs1010910   61212213
rs1011124   7533164

和

test2_sort.txt

test2_sort.txt

rs1010735   C
rs1010805   T
rs1010863   T
rs1010891   T
rs10108     C
rs1010910   A
rs1011124   A

如果前两列都具有相同的值，为什么排序会有所不同.

Why is there a different sorting if both first columns have the same values.

我也尝试过sort -n -s k1,1，但是得到了相同的结果.

I also tried sort -n -s k1,1 but got the same result.

推荐答案

添加空格:

$ sort -k 1,1 /tmp/2
rs1010735 C
rs10108  C
rs1010805 T
rs1010863 T
rs1010891 T
rs1010910 A
rs1011124 A
$ sort -k 1,1 /tmp/1
rs1010735   224915429
rs10108     114516330
rs1010805   38189142
rs1010863   185432942
rs1010891   110712154
rs1010910   61212213
rs1011124   7533164

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