[New] How To Use The Wc Command

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docs/guides/quick-answers/linux/how-to-use-wc/index.md

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+```bash
+---
+author:
+  name: Linode
+  email: [email protected]
+description: 'Learn about the wc command, what it can do and how to use it.'
+keywords: ["linux", "terminal", "basics"]
+tags: ["quick-answers", "linux"]
+license: '[CC BY-ND 4.0](https://creativecommons.org/licenses/by-nd/4.0)'
+published: 2022-03-09
+modified_by:
+  name: Linode
+title: 'How To Use The Wc Command'
+contributor:
+  name: Jan Slezak
+  link: https://github.com/scumdestroy
+external_resources:
+  - '[The IEEE and The Open Group - Wc](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/wc.html)'
+  - '[Man Page for wc](https://man7.org/linux/man-pages/man1/file.1.html)'
+  - '[Wikipedia Page for File(command)](https://en.wikipedia.org/wiki/Wc_%28Unix%29)'
+---
+```
+
+Linux's `wc` command counts the words, characters or bytes of any non-binary files it receives.  It is a simple command that epitomizes the original Linux ethos of "Focus on one thing and do it well".   
+
+### Syntax
+
+Coupled with its simple explanation is an equally simple syntax.  The `wc` command can be followed by a file, though when one is not present, it will default to analyzing input that is piped to it (or "reading standard input").  
+
+```
+    wc [OPTIONS] [FILE]
+    cat *.txt | wc [OPTIONS]
+```
+
+## Options
+
+- `-c` or `--bytes` will print byte count
+
+- `-m` or `--chars` will print character count
+
+- `-l` or `--lines` will print newline or row count
+
+- `-w` or `--words` will print word count
+
+- `-L` will print the length of the longest word in characters 
+
+### Usage
+
+Output from `wc` is minimal, allowing for simple piping into other command line tools.
+
+```
+   cat file.txt | wc -l 
+```
+
+{{< output >}}
+
+315 file.txt
+
+{{< /output >}}
+
+```
+   wc customers.txt items.txt
+```
+
+{{< output >}}
+
+22  22  101 customers.txt
+15  19  145 items.txt
+37  41  246 total
+
+{{< /output >}}
+
+### Common Usage Examples of `wc`
+
+Counting the number of files and folders in your current directory.
+
+```
+   ls | wc -l 
+```
+
+{{< output >}}
+
+22
+
+{{< /output >}}
+
+Comparing the output of an automated daily task against yesterdays data.
+```
+   wc -l today.txt yesterday.txt 
+```
+
+{{< output >}}
+
+323 today.txt
+311 yesterday.txt
+
+{{< /output >}}