declare number variable in csh

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# 1  
Old 11-08-2007
declare number variable in csh

Hi frind,
while [ $i -le 5 ]
echo "i is $i"
echo "$data_file"
i=`expr $i + 1`
This is woring finly in ksh but not in ksh.
in ksh it showing error

i=1: Command not found
i: Undefined variable

Kindly help me ...why it is showing the error
Thanks in advance
# 2  
Old 11-08-2007
First of all, "csh" is a lousy shell for writing scripts. That being said:

set i="1" HYP_ROOT="/tmp"
while ( $i < 5 )
  echo "i is $i"
  set data_file=$HYP_ROOT/import/efcextr$i.txt
  echo "$data_file"
  set i=`expr $i + 1`

You're better off with ksh (or bash, etc.)
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