Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Iterate array using loop over ssh
Top Forums Shell Programming and Scripting Iterate array using loop over ssh Post 302832003 by Corona688 on Friday 12th of July 2013 12:02:18 PM
Old 07-12-2013
Another way around the variable problem, a particularly robust one, is this:

Code:
ssh username@host /bin/sh -s arg1 arg2 arg3 <<"EOF"
literal script contents
that don't even need
extra quotes
or escaping
EOF

Also, "${ARRAY[@]}" is a safer way to expand an array, because it splits upon elements, not spaces. It works for commandline arguments too. Also, your loop can be simplified quite a lot. How about this:

Code:
ssh username@host /bin/sh -s "${TEST1[@]}" <<"EOF"
echo "$@"
echo "${1}"

N=0
for m in "$@" # Expands into $1 $2 $3 ...
do
        echo $m
        echo $N
        let N=N+1
done
EOF

Last edited by Corona688; 07-12-2013 at 01:10 PM..
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

iterate over array

I can not for the life of me figure out how to iterate over this array { 'name1' => { 'a' => . 'b' => }, 'name2' => { 'a' => . 'b' => } } I want a for loop to iterate through the first element (name1 and name2 in my example) but I can't figure it out. Help... (2 Replies)
Discussion started by: IMTheNachoMan
2 Replies

2. Shell Programming and Scripting

How to loop(Iterate) through List with foreach(csh)

Hey all,, I know cshell is harmful:) but I am using this just "to know" - for educational purposes!... not for a long-term use. lets say i have a list.. set arr=(x y z e f) I wanna iterate the list with foreach ,, not with while.!! foreach i $arr echo $i end does not work (2 Replies)
Discussion started by: eawedat
2 Replies

3. Shell Programming and Scripting

Array with do while and if loop

Hi All, I am trying to run a do while for an array. And in the do while, I'm trying to get a user response. Depending on the the answer, I go ahead and do something or I move on to next element in the array. So far I can read the array, but I can't get the if statement to work. Any suggestions... (5 Replies)
Discussion started by: nitin
5 Replies

4. UNIX for Dummies Questions & Answers

Iterate/Loop Through XML Node List

I need to load an XML file and loop through a list of nodes in it to execute a shell script for each one using the attributes for each node as parameters for the script. Any ideas? Any help will be much appreciated. (1 Reply)
Discussion started by: bradlecat
1 Replies

5. Shell Programming and Scripting

Array Variable being Assigned Values in Loop, But Gone when Loop Completes???

Hello All, Maybe I'm Missing something here but I have NOOO idea what the heck is going on with this....? I have a Variable that contains a PATTERN of what I'm considering "Illegal Characters". So what I'm doing is looping through a string containing some of these "Illegal Characters". Now... (5 Replies)
Discussion started by: mrm5102
5 Replies

6. Shell Programming and Scripting

Do loop doesn't iterate

I'm trying to send the file list as parameter to another job and execute it. But the loop doesn't work, the inner job is running only once and not twice as expected for filelist in $(ls -rt *.txt | tail -2) do echo $filelist export filelist cmd="$Program -config $configfile -autoexec... (11 Replies)
Discussion started by: asandy1234
11 Replies

7. Shell Programming and Scripting

Ssh to an array of servers in a for loop

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 shown below. declare -a host host}]="server1" host}]="server2" host}]="server3" ... (9 Replies)
Discussion started by: Sree10
9 Replies

8. Shell Programming and Scripting

awk loop using array:wish to store array values from loop for use outside loop

Here's my code: awk -F '' 'NR==FNR { if (/time/ && $5>10) A=$2" "$3":"$4":"($5-01) else if (/time/ && $5<01) A=$2" "$3":"$4-01":"(59-$5) else if (/time/ && $5<=10) A=$2" "$3":"$4":0"($5-01) else if (/close/) { B=0 n1=n2; ... (2 Replies)
Discussion started by: klane
2 Replies

9. Shell Programming and Scripting

Using nested for loop to iterate over file names

I'm trying to grab a list of file names from a directory, then process those files 5 at a time. In the link below. Instead of using files I'm using the files array which contains 15 strings starting with AAA. So I'm trying to assign $fileset 5 of the strings at a time to pass to a command. So... (4 Replies)
Discussion started by: zBernie
4 Replies

10. Shell Programming and Scripting

Bash for loop array

Hi there, A bit new to bash and am having an issue with a for loop. I look for filenames in a specified directory and pull the date string from each meeting a certain criteria, and then would like to make a directory for each date found, like this: search 20180101.gz 20180102.gz 20180103.gz... (5 Replies)
Discussion started by: mwheeler12
5 Replies

LEARN ABOUT DEBIAN

wdmd

WDMD(8) 						      System Manager's Manual							   WDMD(8)

NAME

       wdmd - watchdog multiplexing daemon

SYNOPSIS

       wdmd [OPTIONS]

DESCRIPTION

       This  daemon opens /dev/watchdog and allows multiple independent sources to detmermine whether each KEEPALIVE is done.  Every test interval
       (10 seconds), the daemon tests each source.  If any test fails, the KEEPALIVE is not done.  In a standard configuration, the watchdog timer
       will  reset the system if no KEEPALIVE is done for 60 seconds ("fire timeout").	This means that if single test fails 5-6 times in row, the
       watchdog will fire and reset the system.  With multiple test sources, fewer separate failures back to back can also cause a reset, e.g.

       T seconds, P pass, F fail
       T00: test1 P, test2 P, test3 P: KEEPALIVE done
       T10: test1 F, test2 F, test3 P: KEEPALIVE skipped
       T20: test1 F, test2 P, test3 P: KEEPALIVE skipped
       T30: test1 P, test2 F, test3 P: KEEPALIVE skipped
       T40: test1 P, test2 P, test3 F: KEEPALIVE skipped
       T50: test1 F, test2 F, test3 P: KEEPALIVE skipped
       T60: test1 P, test2 F, test3 P: KEEPALIVE skipped
       T60: watchdog fires, system resets

       (Depending on timings, the system may be reset sometime shortly before T60, and the tests at T60 would not be run.)

       A crucial aspect to the design and function of wdmd is that if any single source does not pass tests for the fire timeout, the watchdog	is
       guaranteed  to fire, regardless of whether other sources on the system have passed or failed.  A spurious reset due to the combined effects
       of multiple failing tests as shown above, is an accepted side effect.

       wdmd will exit if a watchdog driver is not loaded.

       wdmd cannot be used on the system with any other program that needs to open /dev/watchdog, e.g. watchdog(8).

   Test Source: clients
       Using libwdmd, programs connect to wdmd via a unix socket, and send regular messages to wdmd to update an expiry time for their connection.
       Every test interval, wdmd will check if the expiry time for a connection has been reached.  If so, the test for that client fails.

       (Other test sources such as scripts executed each test interval may be added in the future.)

OPTIONS

       -D     Enable debugging to stderr and don't fork.

       -H num Enable (1) or disable (0) high priority features such as realtime scheduling priority and mlockall.
	      Default 1.

								    2011-08-01								   WDMD(8)
All times are GMT -4. The time now is 06:00 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy