Calculate total sum from a file


 
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# 1  
Old 05-27-2009
Calculate total sum from a file

The file content is dynamic and using this format:

Code:
name1 number1
name2 number2
name3 number3
name4 number4
....................

Need a smooth way to calculate the sum of all the numbers in that file (number1 + number2 + number3 + number4........ = total )
# 2  
Old 05-27-2009
Oh thats an easy one. There is also 'bc' but that would be for really hard core math, and then there is "let".. but dont worry with those.. you can just use awk.

Code:
-bash-3.2$ cat test.txt
one 1
two 2
three 3
four 4
five 5
six 6
seven 7
eight 8
nine 9
ten 10

-bash-3.2$ awk '{count += $2;} END { print count; }' test.txt
55

# 3  
Old 05-27-2009
Works like a harm, thanks!
# 4  
Old 05-27-2009
No problem!
# 5  
Old 05-27-2009
to get the column by comparing a word

Hi all,
I am new to this forums so was not able to find to post new forums hence i posted in the already existing form please help me with the below requirement

I have a requirement as below I want to grep xyz and get the result domain name as "unix.com"

3.209.12.09 xyz xyz.unix.com

Last edited by rakesh_pagadala; 05-27-2009 at 07:18 PM..
# 6  
Old 05-27-2009
Quote:
Originally Posted by rakesh_pagadala
...
I have a requirement as below I want to grep xyz and get the result domain name as "unix.com"

3.209.12.09 xyz xyz.unix.com
Something like this:

Code:
$
$ cat input.txt
3.209.12.09 xyz xyz.unix.com
$
$ awk '{sub("xyz.","",$3); print $3}' input.txt
unix.com
$

tyler_durden
# 7  
Old 05-27-2009
Quote:
Originally Posted by durden_tyler
Something like this:

Code:
$
$ cat input.txt
3.209.12.09 xyz xyz.unix.com
$
$ awk '{sub("xyz.","",$3); print $3}' input.txt
unix.com
$

tyler_durden
Thanks for your help !!! But need some more of your help

There is an another clause over here which i found just now ... xyz.unix.com can come any where in the line it need not be at $3 every time
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