|sort <filename>||Sort the lines in the specified file|
|cat file1 file2 | sort||Append the two files, then sort the lines and display the output on the terminal|
|sort -r <filename>||Sort the lines in reverse order|
To remove duplicate entries from some files, use the following command:
sort file1 file2 | uniq > file3
To count the number of duplicate entries, use the following command:
uniq -c filename
To paste contents from two files one can do:
$ paste file1 file2
The syntax to use a different delimiter is as follows:
$ paste -d, file1 file2
Common delimiters are ‘space’, ‘tab’, ‘|’, ‘comma’, etc.
To combine two files on a common field, at the command prompt type
join file1 file2
and press the Enter key.
By default split breaks up a file into 1,000-line segments. The original file remains unchanged, and set of new files with the same name plus an added prefix is created. By default, the x prefix is added. To split a file into segments, use the command