+ if (lc $f eq 'rt' || $f =~ /^real/i) {
+ dbg("sh/dx real") if isdbg('sh/dx');
+ $real = 1;
+ next;
+ }
+ if (lc $f =~ /^filt/) {
+ dbg("sh/dx run spotfilter") if isdbg('sh/dx');
+ $dofilter = 1 if $self && $self->spotsfilter;
+ next;
+ }
+ if (lc $f eq 'qsl') {
+ dbg("sh/dx qsl") if isdbg('sh/dx');
+ push @flist, "info {QSL|VIA}";
+ next;
+ }
+ if (lc $f eq 'iota') {
+ my $doiota;
+ if (@list && $list[0] && (($a, $b) = $list[0] =~ /(AF|AN|NA|SA|EU|AS|OC)[-\s]?(\d\d?\d?)/i)) {
+ $a = uc $a;
+ $doiota = "\\b$a\[\-\ \]\?$b\\b";
+ shift @list;
+ }
+ $doiota = '\b(IOTA|(AF|AN|NA|SA|EU|AS|OC)[-\s]?\d?\d\d)\b' unless $doiota;
+ push @flist, 'info', "{$doiota}";
+ dbg("sh/dx iota info {$doiota}") if isdbg('sh/dx');
+ next;
+ }
+ if (lc $f eq 'qra') {
+ my $doqra = uc shift @list if @list && $list[0] =~ /[A-Z][A-Z]\d\d/i;
+ $doqra = '\b([A-Z][A-Z]\d\d|[A-Z][A-Z]\d\d[A-Z][A-Z])\b' unless $doqra;
+ push @flist, 'info', "{$doqra}";
+ dbg("sh/dx qra info {$doqra}") if isdbg('sh/dx');
+ next;
+ }
+ if (grep {lc $f eq $_} qw { ( or and not ) }) {
+ push @flist, $f;
+ dbg("sh/dx operator $f") if isdbg('sh/dx');
+ next;
+ }
+ if (grep {lc $f eq $_} qw(on freq call info spotter by call_dxcc by_dxcc bydxcc origin call_itu itu call_zone zone byitu by_itu by_zone byzone call_state state bystate by_state ip) ) {
+ push @flist, $f;
+ push @flist, shift @list if @list;
+ dbg("sh/dx function $flist[-2] $flist[-1]") if isdbg('sh/dx');
+ next;
+ }
+ unless ($pre) {
+ $pre = $f;
+ next;
+ }
+ push @flist, $f;