Something

CMD_RSYNC="rsync --cvs-exclude --recursive --progress --verbose --compress --relative -e \"/usr/bin/ssh -p 22\" ./sswitch-setup.sh "

${CMD_RSYNC} root@192.168.31.2:/home/
echo ${CMD_RSYNC} root@192.168.31.2:/home/

$ ./test.sh
: command not found
rsync: Failed to exec '/usr/bin/ssh: No such file or directory (2)
rsync error: error in IPC code (code 14) at /home/lapo/packaging/tmp/rsync-2.6.6/pipe.c(83)
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at /home/lapo/packaging/tmp/rsync-2.6.6/io.c(434)
rsync --cvs-exclude --recursive --progress --verbose --compress --relative -e '/usr/bin/ssh -p 22' ./sswitch-setup.sh root@192.168.31.2:/home/