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Linux wc Command

Linux wc command helps in counting the lines, words, and characters in a file. It displays the number of lines, number of characters, and the number of words in a file. Mostly, it is used with pipes for counting operation.

Syntax:

Options:

Some useful command line options supported by the wc command are as following:

-c, --bytes: It is used to print the byte counts.

-m, --chars: It is used to print the character counts.

-l, --lines: It is used to print the newline counts.

--files0-from=F: It is used to read input from specified files.

-L, --max-line-length: It is used to print the maximum display width.

-w, --words: It is used to print the word counts.

--help: It is used to display the help manual.

--version: It is used to display the version information.

Examples of the wc Command

Let's see the following examples of the wc command:

Display count information of a file

To display the complete count information of a file, execute the command without any argument. It will display the number of lines, words, and bytes from the file. Execute the command as follows:

Consider the below command:

The above command will display the number of lines, number of words, number of bytes, and file name from the file 'exm.txt'. Consider the below output:

Linux wc Filters

Display count information of multiple files

To display the complete count information of multiple files at once, specify the file names after space (' '). It is executed as follows:

Consider the below example:

The above command will display the number of words, the number of characters, and the number of the bytes from the files 'exm.txt' and 'marks.txt'. Consider the below output:

Linux wc Filters

Display the number of lines in a file

The '-l' option is used to display the number of lines in a file. It is executed as follows:

Consider the below example:

The above command will display the number of lines from 'exm.txt'. Consider the below output:

Linux wc Filters

Display the number of characters in a file

The '-m' option is used to display the number of characters in a file. It is executed as follows:

Consider the below example:

The above command will display the number of words from the file 'exm.txt'. Consider the below output:

Linux wc Filters

Display the number of bytes in a file

The '-c' option is used to display the number of bytes in a file. It is executed as follows:

Consider the below example:

The above command will display the number of bytes in a file. Consider the below output:

Linux wc Filters

Display the number of words in a file

The '-w' option is used to display the total number of words from a file. It is executed as follows:

Consider the below example:

The above command will display the total number of words from the file 'exm.txt'. Consider the below output:

Linux wc Filters

Count the number files in a directory

To count the number of files and folders in a directory, combine the wc command with the ls command. Execute it as follows:

The above command will display the count of the files from the current working directory. Consider the below output:

Linux wc Filters

Display the length of the longest line

The '-L' option is used to display the length of the longest line from a file. It is executed as follows:

Consider the below example:

The above command will display the length of the longest line of the file 'exm.txt'. Consider the below output:

Linux wc Filters
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