Filesize To String / Boyan Mihaylov

I’ve made a simple function that converts a file size to a string. It computes the remainder after dividing the input size by 1024 and puts it in an array. This step is being performed while we have a size under 1024 – this is the number of the bytes.

uint[] s = new uint[7];
short n = 0;

while (size >= 1024)
{
	s[n] = (uint)(size % 1024);
	size = size / 1024;
	n++;
}

s[n] = (uint)size;

uint[] s = new uint[7];

short n = 0;

while (size >= 1024)

{

s[n] = (uint)(size % 1024);

size = size / 1024;

n++;

}

s[n] = (uint)size;

The type of size is Int64. It allows you to calculate too big numbers. After filling up the array, you can start walking it from its end like this:

StringBuilder results = new StringBuilder();
string[] sizes = { "bytes(s)", "KB", "MB", "GB", "TB", "PB", "EB" };

for(n = 6; n >= 0; n--)
{
	if (s[n] > 0)
	{
		result.Append(s[n]);
		result.Append(sizes[n]);
		result.Append(" ");
	}
}

StringBuilder results = new StringBuilder();

string[] sizes = { "bytes(s)", "KB", "MB", "GB", "TB", "PB", "EB" };

for(n = 6; n >= 0; n--)

{

if (s[n] > 0)

{

result.Append(s[n]);

result.Append(sizes[n]);

result.Append(" ");

}

Calling this function with argument Int64.MaxValue gives you the following result:

7EB 1023PB 1023TB 1023GB 1023MB 1023KB 1023bytes(s)