Categories
Tags
a Accessibility Advanced Algorithms Alias Bash bash Basics Beginners Best Practices Big O bun cat cd CLI Comments Container Elements Container Queries cp css CSS Data Structures deno Doctype Download Editors Error Examples Features figure File Watching Filesystem fish Fish Shell footer frontend Guide header Hello World History Homebrew HTML HTML5 humor img javascript JavaScript Learning less Links linux Linux ls macOS Media Queries meta Mobile-First mv Netcat Networking Node.js npm Package Manager picture pm2 Productivity programming Programming pwd Responsive Design Responsive Images rmdir Scalability section Semantic HTML shell Shell Shell Script Shells srcset State Management Structure Svelte Svelte Store SvelteKit svg Tables tail Text Formatting Tools touch Troubleshooting Tutorial Unix ux Vim web development Web Development web-development webdev
97 words
1 minutes
How to remove the first/last characters from a variable in a shell script
How to remove the first/last characters from a variable in a shell script
In shell scripting, you may need to remove the first or last characters from a variable. This guide provides methods to achieve this.
Removing the First Character
To remove the first character from a variable, use the following syntax:
variable="example"
variable="${variable:1}"
echo $variable
Removing the Last Character
To remove the last character from a variable, use the following syntax:
variable="example"
variable="${variable::-1}"
echo $variable
Conclusion
By using these methods, you can easily remove the first or last characters from a variable in a shell script. This can be useful for various text processing tasks.
How to remove the first/last characters from a variable in a shell script
https://zxce3.net/posts/cli/how-to-remove-the-first-last-characters-from-a-variable-in-a-shell-script/