streamname=stream; shard=shardId-0000000000xx;aws kinesis get-shard-iterator --stream-name $streamname --shard-id $shard --shard-iterator-type TRIM_HORIZON --output text | while read iterator; do while output=`aws kinesis get-records --shard-iterator $iterator --output text`; do iterator=`echo "$output" | head -n1 | awk '{print $2}'`; echo "$output" | awk 'NR > 1' | grep RECORDS | while read record; do echo $record | awk '{print $3}' | base64 -id; done; done; done