Need to create a simple script using MD5, SSH... Post: 302502594

Sponsored Content

Top Forums Shell Programming and Scripting Need to create a simple script using MD5, SSH... Post 302502594 by Corona688 on Tuesday 8th of March 2011 11:58:16 AM

03-08-2011

Registered User

You said you incorporated it, not copied it letter-for-letter...

Could you put echo statements inside the loops to see where it's hanging?

Code:

#!/usr/bin/sh 
 
while read fname; do 
    bname=$(basename $fname) 
    echo "trying "${fname} (${bname})" >&2
    first=0 
    {
      echo "running hostname" >&2
      hostname
      echo "finished running hostname, now running /usr/local/bin/hosts" >&2
      /usr/local/bin/hosts
    } | while read box; do 
        echo "ssh-ing to box ${box}" >&2
        t=$(ssh ${box} "/usr/local/bin/md5 /opt/dba/scp/$bname" | awk '{print $4}') 
        if [ $first -eq 0 ]; then 
            hash=$t
            first=1 
        else 
            [ "${hash}" = "${t}" ] || echo "Files are not Identical!!!"
        fi 
 
    done 
done < /home/izivanov/iz3

Also fixed some might-have-been-syntax errors, highlighted in red. Not all shells know what == means, but = should go. And you shouldn't have loose !'s hanging around unquoted, in some shells ! is a history command.

Corona688

View Public Profile for Corona688

Visit Corona688's homepage!

Find all posts by Corona688

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to create md5 Hash variable?

I have a script that runs the grub-md5-crypt command based on whether the pass_value variable is a non-zero string. The md5 hash is being created in the /opt/hostconfigs/$HOST file, but I can't echo $md5_value. It is blank. Is there a way to create and echo a md5 hash variable? if then...

2. Shell Programming and Scripting

Modifying simple commands to create a script

Can anyone direct me to a resource that explains scripting in simple terms? I have visited many sites and browsed this forum and have yet to find simple explanations.

3. Shell Programming and Scripting

Simple Script to create folders

Hi I want to write a small script that will create folders named from `AAAA' all the way to `ZZZZ'. That is: `AAAA' `AAAB' `AAAC' ... `AABA' `AABB' `AABC' ... `ABAA' `ABAB' `ABAC' ... `ABBA' ... `ZZZZ'

4. Shell Programming and Scripting

Simple SSH script

I have several unix servers, I need to logon to each server and find out if an id exists on that server. I need a simple script for this, i have come up with the following script, but I cannot bring the output of a child process on the remote server. for i in `cat SERVER_LIST` do ssh $i...

5. Solaris

How to create a simple background script on Solaris

I have a local account for a unix server. The idle timeout for the account is around 10 mins. I have to login to the server multiple times during the day. Is there a way to increase the idle timeout or may be a script that I can run on background so it is not idle. Something like echo date every 9...

6. Shell Programming and Scripting

How to create a simple shell script to backup

Hello - I am in process of deleting many files which are older than 4 weeks. For example I am inside: /subsystem/prod/ Files are with various extentions, but anything older than 4 weeks should be deleted. What would be the most simplest script to acheive this?

7. Shell Programming and Scripting

Create md5 sums and archive the resulting md5 files

Hello everyone, I am looking to basically creating md5sum files for all iso files in a directory and archive the resulting md5 files into a single archive in that very same directory. I worked out a clumsy solution such as: #find files for which md5sum are to be created and store the...

8. Shell Programming and Scripting

How to create a simple copy script?

Guys I want to do this: copy: /var/router/system1/config/backup/install.put /var/router/system2/config/backup/install.put /var/router/system3/config/backup/install.put /var/router/system4/config/backup/install.put into: /var/router/system1/config/install.dat...

9. Shell Programming and Scripting

Create simple script

Dear all, I have a directory named A and some subdirectories named B, C, D with .xml files. I want to use the following command to strip the file. sed -re ':start s/<*>//g; /</ {N; b start}' file.xml > file.xml At the same time, I want to remove the blank lines using sed '/^$/d' How can...

10. Shell Programming and Scripting

Help making simple perl or bash script to create a simple matrix

Hello all! This is my first post and I'm very new to programming. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician. Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix: ...

LEARN ABOUT SUNOS

endusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

       /bin/bash		  /bin/csh
       /bin/jsh 		  /bin/ksh
       /bin/pfcsh		  /bin/pfksh
       /bin/pfsh		  /bin/sh
       /bin/tcsh		  /bin/zsh
       /sbin/jsh		  /sbin/pfsh
       /sbin/sh 		  /usr/bin/bash
       /usr/bin/csh		  /usr/bin/jsh
       /usr/bin/ksh		  /usr/bin/pfcsh
       /usr/bin/pfksh		  /usr/bin/pfsh
       /usr/bin/sh		  /usr/bin/tcsh
       /usr/bin/zsh		  /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

SunOS 5.10							    30 Aug 2004 						  getusershell(3C)