SE Shield Generator - Status on LCD [Mini]

// This is simplified version of this script
// http://steamcommunity.com/sharedfiles/filedetails/?id=902088441

List<IMyTerminalBlock> ShieldsArray;
List<IMyTerminalBlock> LCDsArray;

public void SEStatusInit()
{
    // Search for Shileds in Grid
    ShieldsArray = new List<IMyTerminalBlock>();
    GridTerminalSystem.SearchBlocksOfName("Shield Generator", ShieldsArray);

    // Building list of Displays to show status
    LCDsArray = new List<IMyTerminalBlock>();
    GridTerminalSystem.SearchBlocksOfName("[ShieldM]", LCDsArray);

}

public Program()
{
    // Setting script for self-update eache 100 ticks = 1.6 sec
    Runtime.UpdateFrequency = UpdateFrequency.Update100;

    // Call init on 1st run!
    SEStatusInit();
}

public void Main(string argument)
{

    // Loop through all lcds with designated name
    for (int i = 0; i < LCDsArray.Count; i++)
    {

        if (LCDsArray[i] == null)
        {
            Echo("You lost some lcds. ReCompile this script!");
            return;
        }

        IMyTextPanel LCD = (IMyTextPanel)LCDsArray[i];
        LCD.WritePublicText("", false);

        string ShieldsData = "";
        string OverallShield = "";
        string CurrentShield = "";
        string ShieldUnits = "";

        // Let's read date from shields, if we have them
        for (int j = 0; j < ShieldsArray.Count; j++)
        {

            if (ShieldsArray[j] == null)
            {
                Echo("You lost some shields. ReCompile this script!");
                LCD.WritePublicText("You lost some shields. ReCompile this script!", false);
                return;
            }

            ShieldsData = ShieldsArray[j].CustomInfo.Split('\n')[1];
            CurrentShield = ShieldsData.Split(' ')[2];
            OverallShield = ShieldsData.Split(' ')[3].Split('/')[1];
            ShieldUnits = ShieldsData.Split(' ')[3].Split('/')[0];

        }

        // Okay, shield data preserved.
        // Let's adjust lcd's and post data to them
        if (ShieldsArray.Count > 0)
        {
            LCD.SetValueFloat("FontSize", 1.4f);
            LCD.WritePublicText("Overall: " + CurrentShield + " of " + OverallShield + " " + ShieldUnits + "\n");

            float Cur = Convert.ToSingle(CurrentShield);
            float Max = Convert.ToSingle(OverallShield);
            float prog = (Cur / Max) * 67;
            float empt = (67 - prog) / 2;

            // This is where we went through lcds, and showing formated data
            for (int k = 0; k < prog; k++)
            {
                LCD.WritePublicText(LCD.GetPublicText() + "|");
            }

        }
        else
        {
            // This obviously will be shown if something wrong happend
            LCD.WritePublicText("You don't have Energy Shields\nor named them incorrectly.\n-------------------------------------------\n");
            LCD.WritePublicText(LCD.GetPublicText() + "Please, make shure you have \nmod installed, and shield \nblocks have 'Energy Shield'\n");
            LCD.WritePublicText(LCD.GetPublicText() + "phrase in blocks's name");
        }


    }
}