The Bracket ([]) Wildcard Character

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- Essential Linux
  - Wildcards and Links
    - Wildcard Characters
      - The Bracket ([]) Wildcard Character

The third type of wildcard is actually a pair of square bracket characters. This wildcard is an expansion matching any single character or range of characters separated with a dash ('-') listed within the brackets. For example

% ls *[2-4]
myfile2 myfile3 myfile4

or if you wish to be more specific:

% ls myfile[2-4]
myfile2 myfile3 myfile4

Notice the - character specifies a range. If you only wanted to list files that included the numbers 2 and 4 then you could type:

% ls myfile[24]
myfile2 myfile4

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