Shell Programming and Scripting

#!/bin/ksh
IFSsav="$IFS"
IFS=,
typeset -i cnt
cat temp.txt | while read line
do
    set $line
    cnt=1
    while [ $cnt -le $# ]
    do
        eval "val=\$$cnt"
        echo $val
        cnt=cnt+1
    done
done
IFS="$IFSsav"

kgsc12333,mike anderson
oxftd14442,mc donald
tddff232233,william carlson
vhfdgfkd,jfhjfhsdjklf,jhfhdf,1234
jkfgh djfh, djfh  dfhfh, jkhdj 323

kgsc12333
mike anderson
oxftd14442
mc donald
tddff232233
william carlson
vhfdgfkd
jfhjfhsdjklf
jhfhdf
1234
jkfgh djfh
 djfh  dfhfh
 jkhdj 323

#!/bin/ksh
IFS=,
while read id name attr; do
echo $id
echo $name
echo $attr
done < id-name.lst

while IFS=, read id name attr x
do
  echo "$id"
  echo "$name"
  echo "$attr"
done < temp.txt