Shell Programming and Scripting

#!/bin/bash
declare -a name
declare -a ph
declare -a eid
r=0;
c=1;
i=1;
n=;
echo "         name    phone    email_id"    
while :
do
 #if [ $i>$n ]; then
   #break;
 #else  
   echo -n "field $i:"; read name[$r$c] ph[$r$c] eid[$r$c];
   let "i++";
   let "c++";
 #fi
done
#echo "the values of fields are :"

#for((i=1;i<=n;i++))
#do
 # echo "field$i:${fld[$r$i]}    ${typ[$r$i]}    ${con[$r$i]}" 
#done

prayush@prayush-desktop ~/Desktop $ grun.bash ./ex2
         name    phone    email_id
field 1:abc    4327543 jhasdf@fdsj
field 2:sdf 23553    asf@sgfdfg
field 3:adsf    578543    asdfjdsaf
field 4:ahdfjhjk    4795636    gfhdhsdh
field 5:hretiuewndf    9805687954      fdsfjkfkj
field 6:asdfadsf
field 7:
field 8:
./ex2: line 15: 08: value too great for base (error token is "08")

 prayush@prayush-desktop ~/Desktop $  ./ex2
         name    phone    email_id
the values of fields are :
field1:        
field2:        
field3:        
field4:        
field5:        
field6:        
field7:        
./ex2: line 24: 08: value too great for base (error token is "08")

if [ $i>$n ]; then

if [ $i -gt $n ]; then

if [[ $i -gt $n ]]; then

if (( i > n )); then