Git Bash Sort Command in Detail

Basic Terminal Commands:

SORT Command in detail:
Sort command is used to sort a file , arranges the records in particular order.
By default, the sort command sorts the file assuming the contents are ASCII. Using sort command the numbers are sorted numerically.

Importance of sort command:
a) Sort command sorts the contents of a text file , line by line.
b) Sort command is used to sort alphabetically ,in reverse order , by number, by month and also removes the duplicates.
c) By default sort command assumes the input as sort key and contents are sorted.
d) Blank space is considered as the default field separator.

Usage of sort command:

1) create a file name.txt
cat uni-directional symbol name.txt
2) sort name.txt : sorts the input file alphabetically.
3) sort function with a mixed file that is uppercase and lowercase letters, then lowercase letters are sorted first followed by uppercase letters.
cat uni-directional symbol mixed.txt
sort mixed.txt

Sort options:
i) -o option: If you want to write the output to a new file that is output.txt , this is done with -o option which allows to specify an output file.
sort filename.txt uni-directional symbol output.txt
sort -o output.txt file.txt
cat output.txt
ii) -r option: Sorting in reverse order
This command helps us to sort the input file in reverse order.
sort -r file.txt
iii) -n option: The sort command with -n option helps us to sort numerically.
cat uni-directional symbol num.txt
sort num.txt
iv) -nr option: Sorts the numeric data in reverse order.
sort -nr num.txt
v) -c option: sort command with -c option is used to check whether the file is already sorted or not.
sort -c file.txt
vi) -M option: sort with -M option sort the months.
sort -M month.txt

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