Support for TN3270 Plus™ macros

TN3270 Plus™ macros (.txt files), Quick3270 uses the same in-build macro interpreter has for the Quick3270 macros.

Following the extensions specific for TN3270 Plus™ macros

1. Built-in variables

$COLS The number of screen columns.

$COMPUTERNAME The computer name.

$CRLF Carriage return and line feed.

$CURSOR Current cursor position on the screen relative to 1 (row 1 column 1).

$OIA The text in the OIA (Operator Information Area) line on the terminal screen.

$ROWS The number of screen rows.

$SCRIPTFOLDER The full path of the currently active script.

$SCRIPTNAME The name of currently active script.

$SESSIONNAME The short name of the session.

$USERNAME Current logged on user name.

$SCREEN[(start[,length])] The text at the specified location on the terminal screen.

$SCREEN[(top,left,length)]

$SCREEN[(top,left,bottom,right)]

2. List of specific functions or functions with a different syntax