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What does -a operator for String manipulation imply?
Eg: if [ -a $string];then

I am trying to run this on a Linux host. I have a customized shell script which when run prompts for some inputs. When i run this script manually from the command line, I can specify the input as y...

I have a unix command that prompts for 'y'. How do I run this from my shell script?

I am trying to fetch the latest modified file from a directory using the command
find . -type f -exec ls -lt \{\} \+ | head | awk '{print $9}'

After the O/P, I get the below mentioned error and...

test.sh contains the commands.

ssh -qtt user@$host "sh -s '${version}'" < test.sh
works absolutely fine. I run into issues only while looping.

I am able to iterate successfully through the array if I specify the commands as mentioned below.


for host in "${host[@]}"
do
echo $host
ssh -qtt user@${host} "cd /build && cp -p web.zip...

for host in "${host[@]}"
do
ssh -qtt ohsadm@${host} "sh -s '${version}'" < test_steps.sh
done


exits after the first iteration. host array has 4 servers. I want the ssh in the for loop to...

There are 4 remote hosts that I have stored in an array. A ssh trust has been created from the local host to each of the remote hosts.
I am trying to ssh to each of the servers in a for loop as...

Thanks!, but please can you explain me how exactly that happens with

ssh -qtt $user@$host "sh -s "$version"" < test.sh

and not with

ssh -qtt $user@$host < "test.sh "$version""

Please can you help me understand the significance of providing arguments under sh -s in
> ssh -qtt ${user}@${host} "sh -s "${version}"" < test.sh

Hurray it works! Thanks a lot! Please can you let me know why the parameters need to be passed with sh.

ssh -qtt user@host 'sh -s 00' < test.shworks fine, but if I pass a variable it doesnt...

Any pointers on how I can pass positional parameters to the local script executing on remote machine.

I tried ssh -qtt user@host < 'test.sh 00'
I get an error
test.sh 00: No such file or directory

I need to run a local shell script on a remote machine. I am able to achieve that by executing the command
> ssh -qtt user@host < test.sh

However, when I try to pass arguments to test.sh it...