On Oct 26, 2007, at 6:28, Tom Brown wrote:
I am sure the answer here is really easy but i am stuck!
Getting the quoting right for remote commands in the shell is never an easy thing :-).
# mount | grep data | awk '{print$1,$2,$3}'
gives me the info i require locally, however i need to execute this over about 1000 hosts so i run things remotely using ssh something like
# MOUNTER=`ssh $i 'mount | grep data | awk '{print$1,$2,$3}''`
however this fails as at the end of the line there are 2 ticks eg ' together -
Can anyone offer me some syntax help please?
I can usually get this to work with some trial an error by doubling up quotes and using backslahes but it's a frustrating experience. Instead, I use a different technique: I put a script in a network accessible place (i.e., a common NFS mount) and then use ssh to execute that script.
Alfred