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Full Discussion: Killing a bash process and running the second part of script
Top Forums Shell Programming and Scripting Killing a bash process and running the second part of script Post 302915346 by newbie2010 on Tuesday 2nd of September 2014 11:50:32 AM
Old 09-02-2014
Killing a bash process and running the second part of script
I want to run a script that calls remote ssh and if it gets hung, I want to be able to kill that part of the script and run another command in the script

for example I have a statement like this:

Code:
if [[ $nbserve == SENDone || $nbserve == Zray|| $nbserve == Partition ]]; 
then 
    export tapes=$(for tape in $(su - nacct -c 'ssh remote1 "cat /filer/cart/vol0/tech/File\ Lists/'"$nbserve"'/'"$move"'"'| gawk '{print $1}'|sed -n '/\([0-9]\)\(.*\)/p'); 
    do echo $cartridge;done);
else 
    export cartridges=$(for cartridge in $(su - nbacct -c 'ssh remote1 "cat /filer/cart/vol0/techFile\ Lists/'"$nbserve"'/'"$movelist"'"'| tr -d " \t" |sed -n 's/\(.*)\)\([A-Z]\{1,3\}[0-9]\{1,5\}\)\(.*\)/\2/p'); 
    do echo $cartridge;done);
fi


90% of the time this command works, but sometimes the nbserv name is not accessible this way (by ssh). In that case, I'd like to run another command that uses another syntax.


Is there a way to terminate the above statement if it hangs, and then proceed to move to the next portion of the script to run another command?
Something like a kill process command. But then how would the script go to another line? Is it possible?
Last edited by vbe; 09-02-2014 at 12:56 PM.. Reason: No colour please! - Please send code properly formatted!
 

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LEARN ABOUT MOJAVE

ssh-argv0

SSH-ARGV0(1)                                                BSD General Commands Manual                                               SSH-ARGV0(1)

NAME

     ssh-argv0 -- replaces the old ssh command-name as hostname handling

SYNOPSIS

     hostname | user@hostname [-l login_name] [command]

     hostname | user@hostname [-afgknqstvxACNTX1246] [-b bind_address] [-c cipher_spec] [-e escape_char] [-i identity_file] [-l login_name]
     [-m mac_spec] [-o option] [-p port] [-F configfile] [-L port:host:hostport] [-R port:host:hostport] [-D port] [command]

DESCRIPTION

     ssh-argv0 replaces the old ssh command-name as hostname handling.  If you link to this script with a hostname then executing the link is
     equivalent to having executed ssh with that hostname as an argument.  All other arguments are passed to ssh and will be processed normally.

OPTIONS

     See ssh(1).

FILES

     See ssh(1).

AUTHORS

     OpenSSH is a derivative of the original and free ssh 1.2.12 release by Tatu Ylonen.  Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos,
     Theo de Raadt and Dug Song removed many bugs, re-added newer features and created OpenSSH.  Markus Friedl contributed the support for SSH
     protocol versions 1.5 and 2.0.  Jonathan Amery wrote this ssh-argv0 script and the associated documentation.

SEE ALSO

     ssh(1)

Debian Project                                                   September 7, 2001                                                  Debian Project
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