Clarify grepping in 'ext-storage.bash' (#1269)
Clarify grepping in 'ext-storage.bash' (#1269)

Fixes #1204

Signed-off-by: Ethan Dye <5dd593449d8fc3972f5755d1f5497ebfe8f6b757@gmail.com>
ThomDietrich/openhabian,openhab/openhabian,openhab/openhabian,openhab/openhabian