Simple script that notifies you when (via IM) a region has restarted/

Sim Restart Notifier.lsl

//////////////////////////////////////////////////////////////////////
// Sim Restart Notifier -- By Antony Fairport
//
// IMs you when the sim it is located on restarts. Handy during
// rolling restarts when you've had to run away and want to be told
// as soon as it's back up.
//
// Revision history:
// ------------------------------------------------------------
//
// 2011-05-31
// First version.

string g_sLastRestart = "";

//////////////////////////////////////////////////////////////////////
// Format a llGetTimestamp()
string FormatTime( string sTime )
{
    list l = llParseString2List( sTime, [ "T", "." ], [] );
    
    return llList2String( l, 0 ) + " " + llList2String( l, 1 ) + " UTC";
}

//////////////////////////////////////////////////////////////////////
// Sim Restart Notifier -- Antony Fairport
default
{
    //////////////////////////////////////////////////////////////////
    // React to a touch.
    touch_start( integer num_detected )
    {
        // If we don't have a last restart time...
        if ( g_sLastRestart == "" )
        {
            // ...so say.
            llWhisper( 0, "No restart has been recorded yet." );
        }
        else
        {
            // Otherwise say what the last recorded restart time is.
            llWhisper( 0, "Last restart was " + g_sLastRestart );
        }
    }
    
    //////////////////////////////////////////////////////////////////
    // React to changes.
    changed( integer change )
    {
        // If the region has started...
        if ( change & CHANGED_REGION_START )
        {
            // ...IM me to let me know it's back.
            llInstantMessage( llGetOwner(), llGetRegionName() + " has restarted." );
            g_sLastRestart = FormatTime( llGetTimestamp() );
        }
    }
}