Removes duplicate slashes in a path using BASH. Also shows how to recover shopt.

bash_remove_duplicate_slash_in_path.md

Shows:

• how to remove duplicate slashes in file (see http://stackoverflow.com/questions/4638983/remove-unnecessary-slashes-from-a-given-path-with-bash)
• how to change and recover shopt

x=..//some/path/with///multiple/slashes//
shoptbak=$(shopt -p extglob)
shopt -s extglob
x=${x//\/*(\/)/\/}
eval ${shoptbak}
echo $x