Kaezon's advancedrenamer script

if(item.size/1024<1){
  return item.newBasename+' ['+item.size+' B]'
}else if(item.size/1024/1024<1){
  size = item.size/1024
  if(size.toFixed(2)-parseInt(size.toFixed(2))==0){
    return item.newBasename+' ['+parseInt(size.toFixed(2))+' KiB]'
  }else{
    return item.newBasename+' ['+parseFloat(size.toFixed(2)).toString().replace(".",",")+' KiB]'
  }
}else if(item.size/1024/1024/1024<1){
  size = item.size/1024/1024
  if(size.toFixed(2)-parseInt(size.toFixed(2))==0){
    return item.newBasename+' ['+parseInt(size.toFixed(2))+' MiB]'
  }else{
    return item.newBasename+' ['+parseFloat(size.toFixed(2)).toString().replace(".",",")+' MiB]'
  }
}else if(item.size/1024/1024/1024/1024<1){
  size = item.size/1024/1024/1024
  if(size.toFixed(2)-parseInt(size.toFixed(2))==0){
    return item.newBasename+' ['+parseInt(size.toFixed(2))+' GiB]'
  }else{
    return item.newBasename+' ['+parseFloat(size.toFixed(2)).toString().replace(".",",")+' GiB]'
  }
}else if(item.size/1024/1024/1024/1024/1024<1){
  size = item.size/1024/1024/1024/1024
  if(size.toFixed(2)-parseInt(size.toFixed(2))==0){
    return item.newBasename+' ['+parseInt(size.toFixed(2))+' TiB]'
  }else{
    return item.newBasename+' ['+parseFloat(size.toFixed(2)).toString().replace(".",",")+' TiB]'
  }
}else if(item.size/1024/1024/1024/1024/1024/1024<1){
  size = item.size/1024/1024/1024/1024/1024
  if(size.toFixed(2)-parseInt(size.toFixed(2))==0){
    return item.newBasename+' ['+parseInt(size.toFixed(2))+' PiB]'
  }else{
    return item.newBasename+' ['+parseFloat(size.toFixed(2)).toString().replace(".",",")+' PiB]'
  }
}
return 'ERROR'