Install or Upgrade Nextflow

Install Nextflow (or upgrade an existing installation) and ensure the Java prerequisite is in place.

Step 1: Check Whether Nextflow Is Installed

command -v nextflow && nextflow -version

• If installed, parse the version from the output and proceed to Step 2.
• If not installed, skip to Step 3.

Step 2: Check for Upgrades (Existing Install)

If Nextflow is already installed: