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Author How do you use expr in Bourne UNIX?
lorlooks

2001-11-12, 11:11 pm

Hello everyone, I'm new to unix and want to write a simple program to use expr to find the sum and average of a set of numbers entered on the keyboard. Any and all help is very much welcome.

Thanks Lori
ccieToBe

2001-11-13, 3:22 am

quote:
Originally posted by lorlooks
Hello everyone, I'm new to unix and want to write a simple program to use expr to find the sum and average of a set of numbers entered on the keyboard. Any and all help is very much welcome.

Thanks Lori



Here's a tutorial that should get you started. It's written for the BSDs, but should apply to any OS that can run the bourne shell.

http://www.daemonnews.org/200010/answerman.html
sibley

2001-11-16, 2:55 pm

#!/usr/bin/sh
echo `expr $1 /2 + $2 / 2`
haseeb_eng

2001-11-17, 8:22 am

Hi friends,
I had got 2 Linux Red Hat 7.0 servers in an ISP . I did not worked with Linux redhat before . And please give me also any website address where i can find its documentation so it can help me out in administration . I had worked with sun solaris but that was long time back and i almost forgot it . Any help will be appreciated .


haseeb
dmaftei

2001-11-17, 9:43 am

quote:
Originally posted by haseeb_eng
And please give me also any website address where i can find its documentation so it can help me out in administration .

These should get you started:
Red Hat
Linux Online
ccieToBe

2001-11-17, 9:48 am

quote:
Originally posted by haseeb_eng
Hi friends,
I had got 2 Linux Red Hat 7.0 servers in an ISP . I did not worked with Linux redhat before . And please give me also any website address where i can find its documentation so it can help me out in administration . I had worked with sun solaris but that was long time back and i almost forgot it . Any help will be appreciated .


haseeb



Here are a few more links:

http://linuxnewbie.org
http://linuxdoc.org
http://google.com/linux
haseeb_eng

2001-11-18, 2:05 am

thx guys i hope so this will help me out
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