Solved

Comparing Variables in strings

Posted on 2002-06-05
2
261 Views
Last Modified: 2010-04-21
I have 2 variables $newSize & $oldSize.  Each variable holds a single number corresponding to the line count of a certain file.  If $newSize is less than $oldSize, I want it to do something.  What is the syntax to put this in an If statement?

Thanx
0
Comment
Question by:RudePuppyDog
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 38

Accepted Solution

by:
yuzh earned 50 total points
ID: 7058069
which shell are you using ?

  1. for sh, ksh, bash, use:

  if [ $newSize  -lt $oldSize ] ; then

      your-action-here

  fi

 
  2. For csh/tcsh using

   if ( $newSize  < $oldSize ) then
      your-action-here
   endif
     

 

0
 
LVL 51

Expert Comment

by:ahoffmann
ID: 7058714
expr $newSize '<' $oldSize
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

I have been running these systems for a few years now and I am just very happy with them.   I just wanted to share the manual that I have created for upgrades and other things.  Oooh yes! FreeBSD makes me happy (as a server), no maintenance and I al…
Every server (virtual or physical) needs a console: and the console can be provided through hardware directly connected, software for remote connections, local connections, through a KVM, etc. This document explains the different types of consol…
Learn how to get help with Linux/Unix bash shell commands. Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…
Learn how to find files with the shell using the find and locate commands. Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.:

751 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question