How To Install ShellCheck on Fedora 34

ShellCheck is Shell script analysis tool

Introduction

In this tutorial we learn how to install ShellCheck on Fedora 34.

What is ShellCheck

The goals of ShellCheck are * To point out and clarify typical beginner’s syntax issues, that causes a shell to give cryptic error messages. * To point out and clarify typical intermediate level semantic problems, that causes a shell to behave strangely and counter-intuitively. * To point out subtle caveats, corner cases and pitfalls, that may cause an advanced user’s otherwise working script to fail under future circumstances.

We can use yum or dnf to install ShellCheck on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install ShellCheck.

Install ShellCheck on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install ShellCheck using dnf by running the following command:

sudo dnf -y install ShellCheck

Install ShellCheck on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install ShellCheck using yum by running the following command:

sudo yum -y install ShellCheck

How To Uninstall ShellCheck on Fedora 34

To uninstall only the ShellCheck package we can use the following command:

sudo dnf remove ShellCheck

ShellCheck Package Contents on Fedora 34

/usr/bin/shellcheck
/usr/lib/.build-id
/usr/lib/.build-id/03
/usr/lib/.build-id/03/0a3279ecbfb3fda9790e10b0bbdf2e69eda08f
/usr/share/doc/ShellCheck
/usr/share/doc/ShellCheck/README.md
/usr/share/licenses/ShellCheck
/usr/share/licenses/ShellCheck/LICENSE
/usr/share/man/man1/shellcheck.1.gz
/usr/bin/shellcheck
/usr/lib/.build-id
/usr/lib/.build-id/7c
/usr/lib/.build-id/7c/001d0b24bec6209ce09ed2d3fd95d4af70cd74
/usr/share/doc/ShellCheck
/usr/share/doc/ShellCheck/README.md
/usr/share/licenses/ShellCheck
/usr/share/licenses/ShellCheck/LICENSE
/usr/share/man/man1/shellcheck.1.gz

References

Summary

In this tutorial we learn how to install ShellCheck on Fedora 34 using yum and dnf.