Adobe Illustrator script that reverts layer names according to a CSV file

6_CSV-Code_to_Name.js

#target illustrator  

csvCodeToName();
function csvCodeToName(){ 

	if(!documents.length) return;  
	
	var aFile = File.openDialog( "select your csv file...",'*.csv',false );  
	aFile.open("r");  
	var optionFile = aFile.read();  
	aFile.close();  
	
	var options = optionFile.split("\n");  
	
    	var allLayers = app.activeDocument.layers;  
    
	var visibleLayers = [];  
	for(a=0; a<allLayers.length; a++){  
		var ilayer = allLayers[a];  
		if (ilayer.visible) {  
			visibleLayers.push(ilayer);  
		}  
	}  
  

  
	for(b=0; b<visibleLayers.length; b++){  
	
		var LayerName = visibleLayers[b].name;  

		for(c=0; c<options.length; c++){
		
			var optionsplit = options[c].toString().split("|",2);
			var optionName = optionsplit[0];
			var ehomeNumber = optionsplit[1];
			
			if (ehomeNumber == LayerName){
				//alert(optionName);
				visibleLayers[b].name = optionName;  
			}		
		}
	}  
}