Fix snap refresh flag, printf format strings, and README profile option#18

Copilot wants to merge 2 commits intoUpdated-scripts-and-readme-2026-Febandreak3779/awk_linux_scripts:Updated-scripts-and-readme-2026-Febfrom

copilot/sub-pr-8-6c7c64fb-73d8-4def-a423-ba00c79f6684andreak3779/awk_linux_scripts:copilot/sub-pr-8-6c7c64fb-73d8-4def-a423-ba00c79f6684Copy head branch name to clipboard