chmod +x $(find . -name '*.sh' -type f -print0 | tr -dc '0-9a-zA-Z' | fold -w 16 | head -n 1 | tr -d '\n')

Change the permissions of the first file found with a name ending in ".sh" to allow it to be executed.
chmod +x $(find . -name '*.sh' -type f -print0 | tr -dc '0-9a-zA-Z' | fold -w 16 | head -n 1 | tr -d '\n')