Practical Programming

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Category:
   SYSTEM

Description:
   Formats file size to specified units like KB, MB, etc.

Parameters:

1. size (Numeric, required)
          The size of the file
   
   
2. precision (Numeric, Default: 2)
          Rounds size to the specificed number of decimal places
   
   
3. unit (String, Default: AUTO)
          Unit used for size
   
   

Returns:
       String

Requires:
       PrecisRound()

Sample Use:
       

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/*#depends:preciseRound#*/
function FileSize(size){
	var units = "kb,mb,gb,tb,pb,eb,zb,yb";
	var unit = "";
	var pos = 0;
	var value = "";
	var counter = 0;
	var precision = 2;
	if (arrayLen(arguments) gte 2)precision = arguments[2];
	if (arrayLen(arguments) gte 3)unit = arguments[3];
	if (len(unit)){
		if (isNumeric(unit))pos = unit;
		else{
			if (listFindNoCase(units,unit))pos = listFindNoCase(units,unit);
			else unit = "";
		};
	}
	if (not pos){
		while (size/(1024^counter) gt 1)counter = incrementValue(counter);
		pos = counter-1;
	}
	if (pos){
		size = server.preciseRound(size/(1024^pos),precision);
		value = "#numberFormat(size,",#iif(findNoCase(".",size),de(".#repeatString("9",precision)#"),de(""))#")# #uCase(listGetAt(units,pos))#";
	}
	else value = size;
	return value;
}
// http://www.programmers.org/index.php/coldfusion-udf-library/?ckey=3&function=FileSize

/*#depends:preciseRound#*/ function FileSize(size){ var units = "kb,mb,gb,tb,pb,eb,zb,yb"; var unit = ""; var pos = 0; var value = ""; var counter = 0; var precision = 2; if (arrayLen(arguments) gte 2)precision = arguments[2]; if (arrayLen(arguments) gte 3)unit = arguments[3]; if (len(unit)){ if (isNumeric(unit))pos = unit; else{ if (listFindNoCase(units,unit))pos = listFindNoCase(units,unit); else unit = ""; }; } if (not pos){ while (size/(1024^counter) gt 1)counter = incrementValue(counter); pos = counter-1; } if (pos){ size = server.preciseRound(size/(1024^pos),precision); value = "#numberFormat(size,",#iif(findNoCase(".",size),de(".#repeatString("9",precision)#"),de(""))#")# #uCase(listGetAt(units,pos))#"; } else value = size; return value; } // http://www.programmers.org/index.php/coldfusion-udf-library/?ckey=3&function=FileSize