Log In

Come Join Us!

Are you a
Computer / IT professional?
Join Tek-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Tek-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here


Compare numbers

Compare numbers

Compare numbers

Good afternoon

Is there a way to compare two numbers such that if the two are within 5 of each other the result is true but if the difference is greater the 6 then the result is false?



RE: Compare numbers


CODE --> (ba|k)sh

(( difference=first-second )) # calculate the difference
(( ${difference/#-}<6 )) && echo 'YES' || echo 'no' # test the difference's absolute value 
Tested with Bash and MKsh.

For a working test example you may check this in Bash ( sorry, to lazy to write Ksh-friendly while loop now ) :

CODE --> bash

for ((i=-5;i<=5;i++)); do for ((j=-5;j<=5;j++)); do (( d=i-j )); printf '%3d %3d %s\n' "$i" "$j" "$( (( ${d/#-}<6 )) && echo 'YES' || echo 'no' )"; done; done 


RE: Compare numbers


That's great just what I wanted to do.



Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Tek-Tips Forums free from inappropriate posts.
The Tek-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Tek-Tips forums is a member-only feature.

Click Here to join Tek-Tips and talk with other members!

Close Box

Join Tek-Tips® Today!

Join your peers on the Internet's largest technical computer professional community.
It's easy to join and it's free.

Here's Why Members Love Tek-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close