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array elements

 
ehab_2
Occasional Contributor

‎11-15-2002 04:23 PM

‎11-15-2002 04:23 PM

array elements

Why rr[h]*oo[h] does not work
I am trying to multiply 2 elemtnts from different arrays the result is 0 WHY ?
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A. Clay Stephenson
Acclaimed Contributor

‎11-15-2002 07:03 PM

‎11-15-2002 07:03 PM

Re: array elements

I assume this is a shell question. The shell doesn't know what '*' by itself means. We need to give it a little help to know that this is an arithmatic problem.

X=$((${a} * ${b}))

and if this is an array that becomes
X=$((${rr[${h}]} * ${oo[${h}]}))

NOTE: This is integer arithmatic only; the shell does not understand floating point.
If it ain't broke, I can fix that.
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