SQR Pre-Defined Variables

#current-column	The current column on the page.
#current-line	Refers to the physical line number on the page.
#end-file	Set to one (1) if end of file occurs on READ, otherwise zero (0).
#page-count	The current page number.
#return-status	Value to be returned to the operating system when SQR exits.
#sql-count	The count of rows affected by a DML statement (insert, update and delete).
$sql-error	The text message from the database explaining the most recent error.
#sql-status	The status value from the database after each query is compiled or executed.
$sqr-database	The database type for which SQR Workbench was compiled. Valid values are:  Allbase*    DB2    Informix    Ingres    Oracle    RDB*    SQLBase    SYBASE
{sqr-database}	see $sqr-database above
#sqr-pid	The process ID of the current SQR process. Unique for each run of SQR.
$sqr-platform	The hardware/operating system type for which SQR was compiled. Valid values are:  DOS*   MVS   WINDOWS   UNIX   VM   VMS
{sqr-platform}	see $sqr-platform above
$sqr-program	The name of the SQR program file.
$sqr-report	The name of the report output file. Reflects the actual name to be used (-F flag or NEW-REPORT command).
$sqr-ver	The text string shown with the -ID flag.
$username	The database username specified on the command line.

Source : http://www.ontko.com/sqr/sqrcard.html