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Top Forums Shell Programming and Scripting How to exit shell script if remote login unsuccessful? Post 302905866 by Rojan Shakya on Sunday 15th of June 2014 03:49:17 PM
Old 06-15-2014
How to exit shell script if remote login unsuccessful?

Code:
#!/bin/bash
for servers in `cat ~/servers`
do
rosh -l root -n $servers 'if [ -d /opt/ca ]
then
echo $HOSTNAME
else
exit 1
fi'
done

I have few servers in the for loop that is powered off, so whenever I execute my script, it works fine if all the servers are on, but when it tries to execute the script in the servers that are powered off, my script just hangs there. Please provide me with some hints. I am new to shell scripting. Thank you very much
 

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shells(4)							   File Formats 							 shells(4)

NAME
shells - shell database SYNOPSIS
/etc/shells DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser- shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root. A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines which search the file. Blank lines are also ignored. The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/pfcsh, /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list. Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)). FILES
/etc/shells lists shells on system SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4) SunOS 5.10 4 Jun 2001 shells(4)
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