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using the expr command

 
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# 1  
Old 08-13-2008
Data using the expr command
Hi friends
how can i execute expr $va1 * $var2
provided i m not supposed to use '/' also the
nglob variable is turned off.
# 2  
Old 08-13-2008
hum...
Code:
expr $var1 \* $var2

is that ok?
# 3  
Old 08-13-2008
Or:
Code:
expr $var1 '*' $vars

or
Code:
#!/bin/sh
res=0
while [ $var1 -gt 0 ]
do
  res=`expr $res + $var2`
  var1=`expr $var1 - 1`
done

Smilie
# 4  
Old 08-14-2008
hi
Quote:
Originally Posted by redoubtable
hum...
Code:
expr $var1 \* $var2

is that ok?
i m not supposed to use '\'
# 5  
Old 08-14-2008
Can u use echo command instead of expr

in that case

value=`echo "$var1 * $var2" | bc`

echo $value will give the multiplication value of the given numbers
 
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