Shell Programming and Scripting

-rw-r--r--+ 1 test test  17M Nov 26 14:43 test1.gz
-rw-r--r--+ 1 test test    0 Nov 26 14:44 test2.gz
-rw-r--r--+ 1 test test    0 Nov 27 10:41 test3.gz
-rw-r--r--+ 1 test test 244K Nov 27 10:41 test4.gz
-rw-r--r--+ 1 test test  17M Nov 27 10:41 test5.gz

DATE TOTALFILE SIZE
Nov26   2       17M
Nov27   3       17.244M

echo " "
echo  "DATE TOTALFILE"
cd /Mydir
ls -lrth | grep "^-" | awk '{
key=$6$7
freq[key]++
}
END {
for (date in freq)
       
        printf "%s\t%d\n", date, freq[date]
}'

ls -lrt | grep "^-" | awk '{
key=$6$7
freq[key]++
a[freq[key]]=a[freq[key]]+$5;
}
END {
for (date in freq)

        printf "%s\t%d\t%f\n", date, freq[date],a[freq[date]]/(1024*1024)
}'

ls -lrth

printf '\nDATE\tFILES\tSIZE\n'
cd /Mydir
ls -lrt | grep "^-" | awk '
{	key=$6$7
	freq[key]++
	size[key] += $5
}
END {	for (date in freq)
		printf("%s\t%d\t%d\n", date, freq[date], size[date])
}'

printf '\nDATE\tFILES\tSIZE\n'
cd /Mydir
ls -lrt | grep "^-" | awk '
{	nkey = $6$7
	if(key != nkey && key != "") {
		printf("%s\t%d\t%d\n", key, freq, size)
		freq = 1;
		size = $5
	} else {freq++
		size += $5
	}
	key = nkey
}
END {	printf("%s\t%d\t%d\n", key, freq, size)
}'

DATE TOTALFILE TOTALSIZE
Nov26   2       17506702
Nov27   26      2429166955
Dec1    1        133