mkdir s1 s2 d1
touch s1/s1.txt s2/s2.txt
# this seems inconsistent
cp -r s1 d1 # generates d1/s1/s1.txt
cp -r s2 d2 # generates d2/s2.txt
mkdir s1 s2 d1
touch s1/s1.txt s2/s2.txt
# I don't use this form, but it is consitent
rsync -r s1 d1 # generates d1/s1/s1.txt
rsync -r s2 d2 # generates d2/s2/s2.txt
# Same as above but more explicit
rsync -r s1 d1/ # generates d1/s1/s1.txt
rsync -r s2 d2/ # generates d2/s1/s2.txt
# I prefer this form most of the time:
rsync -r s1/ d1/ # generates d1/s1.txt
rsync -r s2/ d2/ # generates d2/s2.txt
# in ~/.ssh/config
Host proj1.*.corp
Include ~/.ssh/proj1.conf
# in ~/.ssh/proj1.conf
...
Otherwise I would recommend a good plastic RO system. One where the plastic doesn't leach loads of harmful plasticizers.