DOWNLOAD_URL="https://example.com/app-v1.2.3.tar.gz" CHECKSUM_URL="https://example.com/app-v1.2.3.sha256" FILENAME="app-v1.2.3.tar.gz" EXPECTED_CHECKSUM_FILE="app-v1.2.3.sha256" INSTALL_DIR="/opt/app"
If you provide a SHA-256 hash, the script verifies integrity automatically. shell dep download
Managing dependencies is a core task in any development workflow. While package managers like apt , yum , brew , or npm are great, sometimes you need a lightweight, portable shell script to download and set up dependencies—especially in CI/CD pipelines, Docker builds, or constrained environments. DOWNLOAD_URL="https://example