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Shell Programming and Scripting

Multiply a row of numbers

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# 8  
Old 01-21-2014
Quote:
Originally Posted by RudiC
This is not what you programmed. Your equation is 1 - 1700 - 36 - 3 - 2 - 788 - 22 = -2550
You need to take special action - as Akshay Hegde did - to use one of the elements as minuend.
perfect explanation! thank you

---------- Post updated at 11:21 AM ---------- Previous update was at 11:19 AM ----------

Quote:
Originally Posted by Akshay Hegde
Here is 849

Code:
$ echo 1700 36 3 2 788 22  | awk '{ j=$1; for(i=2; i<=NF;i++) j-=$i; print j; j=0}'
849

Code:
$ echo 1700 36 3 2 788 22  | awk '{ for(i=2; i<=NF;i++) j+=$i; print $1-j;j=0}'
849

thank you!
# 9  
Old 01-22-2014
or for a laugh you could also:

Code:
echo -1700 36 3 2 788 22  | awk '{for(i=1; i<=NF;i++) j-=$i; print j;j=0}'

This User Gave Thanks to Chubler_XL For This Post:
SkySmart
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