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Full Discussion: Need help with script to copy code to multiple servers
Top Forums Shell Programming and Scripting Need help with script to copy code to multiple servers Post 302933119 by DGPickett on Tuesday 27th of January 2015 04:45:02 PM
Old 01-27-2015
Code:
(
IFS="$IFS;~"
while read s a b
do
  (
    scp -r a s:b
    echo scp exit code: $?
   ) 2>&1 | sed "s|^|$a=>$s:$b |" &
done <serverlist ) 2>&1 | tee logfile

Add your separators to $IFS for read, read the file line by line into three variables, copy in the background, and use the stdout/stderr of all the bg copies as both a log and a test of their exiting, prefix every log line by the serverlist line info.

Some ssh installs I have known barf when you spawn too many ssh operations too often or at once. You can search the site for 'bctl' to see how to control the parallelism, and add sleep if necessary to keep the peace.
Last edited by DGPickett; 01-28-2015 at 09:07 AM..
 

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LEARN ABOUT DEBIAN

elza

ELZA(1) 						      General Commands Manual							   ELZA(1)

NAME

       elza -- script language for automating HTTP requests

SYNOPSIS

       elza [scriptfile]

DESCRIPTION

       The elza is a scripting language aimed at automating requests on web pages.

       Scripts	written  in  elza  are capable of mimicking browser behavior almost perfectly, making it extremely difficult for remote servers to
       distinguish their activity from the activity generated by ordinary users and browsers. This gives those scripts the opportunity to act upon
       servers that will not respond to requests generated using netcat, gammaprog, rebol, or similar tool.

       This manual page was written for the Debian GNU/Linux distribution because the original program does not have a manual page.

OPTIONS

       scriptfile
		 The name and location of your script to be executed by elza.

       Variables are specified either in the .elz script, or in elza.def

AUTHOR

       This manual page was written by Stijn de Bekker stijn@debian.org for the Debian GNU/Linux system (but may be used by others).

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or
       any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover	Texts.	 A
       copy of the license can be found under /usr/share/common-licenses/FDL.

FILES

       /etc/elza.def
		 Default values for various elza variables.

																	   ELZA(1)
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