yeah .. and i need to do something when i open a query ...
but never mind .. i figured something out...
Code:
filter -wf # $+ $target zzz.txt *
if ( $file(zzz.txt) == $null || $file(zzz.txt) == 0 ) {
    ***********************************
}


but now i dunno how to delete the session file zzz.txt ... what is the command ? smile