UNIX for Dummies Questions & Answers

#!/bin/bash
set -x
dir="/var/local/dsx/csv"
testfile="$testfile"
while getopts " f: " option
do
 case $option in
  
  f ) testfile="$OPTARG";;
 esac;
done

./scriptFile --testfile=$testfile >> $dir/$testfile.csv

#!/bin/bash
awk -F, '
 $1 == last1 && $2 == last2 {
  printf $0"\n" >>$2
 }
 $1 != last1 || $2 != last2 {
  printf $0"\n" >>$2
 }
  {
  last1=$1
  last2=$2 
 }
 ' 
 $1

o,e,r
1,2,3
1,2,3
1,2,3
4,5,6
4,5,6
4,5,6
4,5,6
4,5,6
4,5,6

1,2,3
1,2,3
1,2,3

4,5,6
4,5,6
4,5,6
4,5,6
4,5,6
4,5,6