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Sort numerical value using the sort command
Answer:
Assume you have a text file contains the following content:
1
2
3
10When you use the sort command to sort them, it will give the following output:
# sort test.txt
1
10
2
3So you need to sort them according to the numerical values?
Try with the n flag:
# sort -n test.txt
1
2
3
10How to count the number of duplicated lines in a file
Answer:
Assume you have a file "test.txt"
a
b
b
c
c
c
You want to count the number of distinct rows, here is the command
# sort test.txt | uniq -c
1 a
2 b
3 c
How to remove duplicated lines in a file
Answer:
Use the following command
sort test.txt | uniq
