Shell Programming and Scripting

var1=`cat cre|awk -F"," '{print $1}'`
var2=`cat cre|awk -F"," '{print $2}'`
echo $var1 > ggh
echo $var2 >> ggh
cat cre|awk -F"," 'BEGIN {
print 141*($var1*0.0113/0.9)^-1.209*0.993^$var2}' >> ggh

89
63
inf
~

(Test:Working)$ awk -F"," 'BEGIN {
> print 141*(89*0.0113/0.9)^-1.209*(0.993)^63}'
79.1984

awk -F"," '{print $1" "$2}' cre|read var1 var2
echo $var1"\n"$var2 > ggh
awk -v v1=$var1 -v v2=$var2 'BEGIN {print 141*(v1*0.0113/0.9)^-1.209*0.993^v2}' cre >> ggh

#!/bin/ksh
IFS=, read var1 var2 < cre
printf "%s\n%s\n%.4f\n" "$var1" "$var2" \
        "$((141*(var1*0.0113/0.9)**-1.209*(0.993)**var2))" > ggh

89,63

89
63
79.1984

#!/bin/ksh
while IFS=, read var1 var2
do      printf "%s\n%s\n%.4f\n" "$var1" "$var2" \
                "$((141*(var1*0.0113/0.9)**-1.209*(0.993)**var2))"
done < cre > ggh