adding numbers in a column

[Guest_imported]

hi!

For example I have a column of numbers, How can I up add this column using script?

Thanks!
sinya

 

[AIXSPadmin]

cat your_file | awk '{ sum += $1 }; END { print sum }'

 

[Guest_imported]

Hi AIXSPadmin,

The script only shows that number in the last column,,,

Ex

3
4
1
5

The result should be 13, but it only shows 5, the last number in the last row...

thanks!
-sinya

 

[Guest_imported]

Thanks AIXSPadmin... It's working! =)
I just missed the += and made it =+ so there was the error
-sinya