-f : Fails silently on server errors (like 404) instead of saving the error page as a file. C. Organizing Downloads
If you have a list of URLs in a text file ( urls.txt ), you can loop through them:
Use -b to let the download run in the background.
Allows you to specify a custom filename (e.g., curl -o local_name.zip "$url" ). Why use curl ? Supports multiple protocols (HTTP, HTTPS, FTP, SFTP). Follows redirects automatically with the -L flag. Easily resumes interrupted downloads with -C - . 2. Using wget (The Robust Workhorse)
When writing a script for production, don't just run a command—add logic to ensure the process is "bulletproof." A. Checking if the Tool is Installed
Saves the file with its original name from the URL.
if ! command -v curl &> /dev/null; then echo "Error: curl is not installed." exit 1 fi Use code with caution. B. Handling Redirects and Errors
For quick one-off tasks or interacting with APIs, is your best bet. If you need to download large files, mirror directories, or deal with spotty internet, wget is the superior choice. Incorporating these into your Bash scripts will save hours of manual work and ensure your data pipelines remain consistent.