PageIN specific functions The table below contains a short description of each script function. For information about syntax, examples, etc., see the full description of each script function. Function name Description Mat Copies characters from the input matrix. Removes leading and trailing blanks. MatBlk Copies characters from the input matrix. Keeps leading and trailing blanks. MaxCol Returns the number of columns in the input matrix. MaxRow Returns the number of rows in the input matrix. PatternResult Used to check for a pattern in a Message or in a block.