1.4 KiB
1.4 KiB
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| Bash Sort |
Bash Sort
Sort is one a simple and useful command which will rearrange the lines in a text file so that they are sorted, numerically and alphabetically. There are by default the following rules for sorting text:
- numbers will appear befor a letter
- letter that appears earlier in the alphabet will appear before a letter that appears later in the alphabet
- lowercase letters will appear before lines with the same letter in uppercase
The default rules of sorting can be changes by the options you provice to the command.
Usage
sort [options] [file_names]
Most used options:
-b, ignore leading blanks.-f, fold lower case to upper case characters.-h, compare human readable numbers (e.g., "2K", "1G").-r, reverse the result of comparisons.-R, sort in a random order
Example
We have a file data.txt, which contains the following text:
apples
oranges
pears
kiwis
bananas
To sort the lines in the file alphabetically, use the following command:
sort data.txt
which will produce the following output:
apples
bananas
kiwis
oranges
pears
To reverse the sorting order, we using the -r flag.
sort -r data.txt
which will produce the following output:
pears
oranges
kiwis
bananas
apples
More Information:
- Wikipedia: https://en.wikipedia.org/wiki/Sort_(Unix)