Function Description: Sort the contents of the text file.
Grammar: sort&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-BCDFIMMNR] [-o< output File [-t< separator Character [+< Start field >-< End field [--help] [--verison] File]
Supplemental Note: Sort can be sorted against the contents of a text file in units of behavior.
Parameters:
-B ignores the whitespace characters that start in front of each line.
-c Check that the files are sorted in order.
-D sort, ignores other characters when dealing with English letters, numbers, and space characters.
When-f is sorted, lowercase letters are treated as uppercase letters.
-I sort, ignoring other characters except ASCII characters between 040 and 176.
-M merges several sorted files.
-M sorts the previous 3 letters by the initials of the month.
-N is sorted according to the size of the value.
-o< the output file > stores the sorted results into the specified file.
-R is sorted in reverse order.
-t< separator character > Specifies the field separator character to use when sorting.
The +< Start field >-< End field > is sorted by the specified field, ranging from the starting field to the previous field in the End field.
--help display Help.
--version Displays version information.