#!/bin/bash
rm -f sample.csv
for i in `ls -1 *csv | sort -V`
do AZ=`echo $i | cut -f 2 -d "-"`
SAMPLE=`grep ", 400000000, " $i | head -1 | cut -f 7 -d " " | sed -e 's/,//g'`
echo "$AZ, $SAMPLE" >> sample.csv
done
cat sample.csv