Shell Programming and Scripting

EMPNO,ENAME,SAL
1,11,100
2,22,200
3,33,400

EMPNO               ENAME                SAL
1                       11                      100
2                       22                      200
3                       33                      300

awk -F, '{printf "%30s%30s%30s\n", $1, $2, $3}' inputfile > outputfile

while IFS=, read aa bb cc
do
   printf "%30s%30s%30s\n" $1 $2 $3
done < inputfile > outputfile

# awk -F',' '{len=30;for(i=1;i<NF;i++)printf "%-'${len}' s ",$i ;print $NF;len=len+30}' infıle

awk -F',' 'BEGIN{len=30} {for(i=1;i<=NF;i++) {printf "%-"len"s",$i} printf "\n"}' infile