this will remove illustrator paths under a given length ( to clean up smaller paths basically )

remove small paths in illustrator

#target illustrator
var document = app.activeDocument;
var maxLength = prompt ("maximum length of a path", 10, "destroy them with lasers!");
for (i=0 ; i< document.pathItems.length; i++)
{
    var ipath = document.pathItems[i]
    if( ipath.hidden == true )continue;
    var l = 0;
    for( var j = 0; j < ipath.pathPoints.length - 1; j++ ){
      var p0 = ipath.pathPoints[j].anchor;
      var p1 = ipath.pathPoints[j+1].anchor;
      var dx = p0[0] - p1[0];
        var dy = p0[1] - p1[1];
        l += Math.sqrt( dx*dx + dy*dy );
        if( l > maxLength )break;
    }
    if( l < maxLength )
    {
      try{
         ipath.selected = true;
       }
       catch( e ){
        //meh...
       }
    }
}
app.redraw();
if(confirm ("erase?", "yes", "my finger is on the button..."))
{
    app.cut();
}