ksh scripting SSH to Compare File Sizes Post: 303025349

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Top Forums Shell Programming and Scripting ksh scripting SSH to Compare File Sizes Post 303025349 by Abstract3000 on Wednesday 31st of October 2018 08:39:00 AM

10-31-2018

Registered User

I appreciate the advice, I was kind of thinking the same thing myself while looking at it that I needed some sort of for loop to iterate through the servers executing the same command while storing file locations in variables and simply comparing each server to the 1st. I don't really have any idea of how i could apply a for loop to ssh multiple servers that were in an Array for instance. Though I did rework the code a bit and came up with the following solution, though you couldn't be as specific in your output you could easily spot an error.

Code:

#!/bin/ksh


FILE1=/root/directory1/files/file1.fil
FILE2=/root/directory2/files/file2.fil
FILESZ1==$(stat -c%s "$FILE1")
FILESZ2==$(stat -c%s "$FILE2")

filecheck() {
CHKFILE1=$(stat -c%s "$FILE1")
CHKFILE2=$(stat -c%s "$FILE2")
if [[ $FILESZ1 = $CHKFILE1 ]]; then
	print "file sizes match"
else
	print "file sizes do not match"
fi
if [[ $FILESZ2 = $CHKFILE3 ]]; then
	print "file sizes match"
else
	print "file sizes do not match"
fi
}

ssh user@server2 "$(typeset -f filecheck); filecheck;
ssh user@server3 "$(typeset -f filecheck); filecheck;
ssh user@server4 "$(typeset -f filecheck); filecheck;

Would the following code do the trick or am I missing something?
Thanks for the suggestions.

Abstract3000

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meld

MELD(1) 						      General Commands Manual							   MELD(1)

NAME

       meld - Visual diff and merge tool for the GNOME Desktop

SYNOPSIS

       meld [options]
       meld [options] FILE1
       meld [options] DIR1
       meld [options] FILE1 FILE2 [FILE3]
       meld [options] DIR1 DIR2 [DIR3]

DESCRIPTION

       Meld  is  a  graphical diff viewer and merge application for the Gnome desktop.	It supports 2 and 3-file diffs, recursive directory diffs,
       diffing of directories under version control (Arch, Bazaar, Codeville, CVS, Darcs, Git, Mercurial, Monotone, RCS), as well as  the  ability
       to manually and automatically merge file differences.

OPTIONS

       --auto-compare, -a
	      Automatically compare all differing files on startup.

       --diff FILE1|DIR1 FILE2|DIR2 [FILE3|DIR3]
	      Create a diff tab for the given files or directories.  Note that "meld --diff FILE1 FILE2" is functionally equivalent to "meld FILE1
	      FILE2".  However, the --diff argument can be given multiple times for one invocation of meld which allows the user to  automatically
	      initiate multiple diffs when meld starts.  See examples below.

       --help, -h
	      Print application help and usage.

       --LABEL=<label>, -L <label>
	      Set application window title to <label>.

       --version
	      Print application version and exit.

EXAMPLES

       meld
	      Run meld without initiating a diff.

       meld FILE1
	      Initiate a diff between FILE1 and the version-controlled copy of FILE1.

       meld DIR1
	      Initiate a recursive diff between DIR1 and the version-controlled copy of DIR1.

       meld FILE1 FILE2
	      Initiate a diff between FILE1 and FILE2.

       meld FILE1 FILE2 FILE3
	      Initiate a 3-way diff between FILE1, FILE2, and FILE3.

       meld DIR1 DIR2
	      Initiate a recursive diff between directory DIR1 and DIR2.

       meld DIR1 DIR2 DIR3
	      Initiate a recursive 3-way diff between directory DIR1, DIR2, and DIR3.

       meld --diff FILE1 FILE2 --diff FILE3 FILE4
	      Initiate a diff between FILE1 and FILE2, and a separate diff between FILE3 and FILE4.

BUGS

       If  you	find  a  bug,  please report it at https://bugzilla.gnome.org/buglist.cgi?product=meld or mail a description of the issue to meld-
       list@gnome.org.

AUTHORS

       See the AUTHORS text file in meld's source code (http://git.gnome.org/browse/meld/tree/AUTHORS).

								   26 Sept 2010 							   MELD(1)

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