How to have local shell variables in a ksh script seen on remove server in SSH block?


Login or Register for Dates, Times and to Reply

 
Thread Tools Search this Thread
Top Forums UNIX for Beginners Questions & Answers How to have local shell variables in a ksh script seen on remove server in SSH block?
# 8  
To get values back you'll have to print them and retrieve them in $( ) brackets.

Code:
VALUE=$(ssh username@host -s var1 var2 <<EOF
...
echo $VALUE
EOF
)

echo "Remote host sent VALUE=$VALUE"

# 9  
The return or exit code of the entire ssh construct is the one of the last command executed, so use it like you do with local ones.


You can use "command substitution", echo a remote variable, and assign its output to a (one) variable, eventually an array:
Code:
VARLOC=$(ssh .... echo ...)


Or, you can read several variables from a redirected "here document" or "here string" containing the "command substitution":
Code:
read VARA VARB VARC REST <<< $(ssh ... )

Login or Register for Dates, Times and to Reply

Previous Thread | Next Thread
Thread Tools Search this Thread
Search this Thread:
Advanced Search

Test Your Knowledge in Computers #748
Difficulty: Medium
The ZX81 was a home computer that was produced by Sinclair Research and manufactured in Dundee, Scotland.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Except script to run a local shell script on remote server using root access

local script: cat > first.sh cd /tmp echo $PWD echo `whoami` cd /tmp/123 tar -cvf 789.tar 456 sleep 10 except script: cat > first #!/usr/bin/expect set ip 10.5.15.20 set user "xyz123" set password "123456" set script first.sh spawn sh -c "ssh $user@$ip bash < $script" (1 Reply)
Discussion started by: Aditya Avanth
1 Replies

2. UNIX for Dummies Questions & Answers

Copy files from Linux server local windows machine using a shell script

Hello, I need to create a shell script which will copy files - which are created on particular date and starting with particular name - to local windows XP machine. Is this possible.? Currently it is being done manually using winscp (1 Reply)
Discussion started by: NarayanaPrakash
1 Replies

3. Shell Programming and Scripting

To run a local shell script in a remote machine by passing arguments to the local shell script

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 fails. Any pointers would be appreciated. (7 Replies)
Discussion started by: Sree10
7 Replies

4. Shell Programming and Scripting

Using a find command in ssh but using local variables?

I have a script like this (Yes, I know the DAY6 number isn't right - I'm just testing at this point): DAY0=`date -I` DAY1=`date -I -d "1 day ago"` DAY6=`date -I -d "2 days ago"` if then ssh root@synology1 nohup rm -rf "/volume1/Fileserver/$DAY6" fi I've tested the line to remove the... (5 Replies)
Discussion started by: Orionizer
5 Replies

5. UNIX for Dummies Questions & Answers

SQL block in a Shell Script connecting to a local and remote DB

Hi All, In a Shell scriipt with a SQL block I want to issue a query against a local DB and a remote DB on a remote server. The shell script is running locally. This is how I connect to the local server. But I want the query to reference remote table in the join. Question can I specify a... (1 Reply)
Discussion started by: daveu7
1 Replies

6. Shell Programming and Scripting

ksh script with Interactive ssh on remote server

HI Unix Gurus, I an stuck in an interesting issue, where I am trying to execute a script on remote server after ssh. The script on remote server is interactive,. Whenever it is called it hangs where it expects input from terminal and I have to terminate it. I have searched through fourm... (12 Replies)
Discussion started by: Jeevanm
12 Replies

7. Shell Programming and Scripting

Help with Backup Shell Script 'ksh + awk over ssh'

Hi newbeeeee alarm i want to send a little script over ssh this script mus download a report.tar then rename and move. the report name format is report_<host.with.dot>-10-09-20-11:55:25.tar function remote_cmd_mv { _host=$1 ARCHROOTDIR='/tmp' ... (8 Replies)
Discussion started by: TigerGoods
8 Replies

8. Shell Programming and Scripting

ssh into a shell script (KSH)

Hi all, Just like to ask if it is possible to do the following: 1. Have a shell script that calls ssh username@destinationhost 2. Upon successful verification, we ssh into the destination host and automatically use ksh to run a shell script that resides in the destination host. (Hopefully no... (8 Replies)
Discussion started by: rockysfr
8 Replies

9. UNIX for Advanced & Expert Users

Use of sudoer with ssh login shell script (KSH)

Greetings all, I'm in the midst of writing a login component for a series of shell scripts. What my login script does is this: 1. Prompt for username and read in username 2. Prompt for destination host and read in destination host 3. run ssh username and destination host 4. After user keys... (0 Replies)
Discussion started by: rockysfr
0 Replies

10. UNIX for Dummies Questions & Answers

shell script, reading and resetting local variables

Hello, I have a problem with trying to run a shell script that reads in user input, validates, and sets to a 'default' value if the input is not valid. I cannot get the portion of resetting to a default value to work. These lines are skipped, and the value of x is still whatever the user... (1 Reply)
Discussion started by: b888c
1 Replies