+
+ if ($line =~ /if(gt|lt)\("(.+?)","(.+?)"\)/) {
+ chomp(my $result = `$2 2>/dev/null`);
+ if (($1 eq 'gt' && $result le $3) || ($1 eq 'lt' && $result ge $3)) {
+ $line = substr $line, 0, $-[0];
+ } else {
+ $line =~ s/if$1\("$2","$3"\)//;
+ }
+ }
+
+ if ($line =~ /ifuname\(\!"(\w+)"\)/)
+ {
+ my $uname = $1;
+ if ($uname eq $^O)
+ {
+ $line = "";
+ return "";
+ }
+
+ $line =~ s/ifuname\(\!"(.+?)"\)//;
+ }
+
+ if ($line =~ /ifuname\("(\w+)"\)/)
+ {
+ my $uname = $1;
+ if ($uname ne $^O)
+ {
+ $line = "";
+ return "";
+ }
+
+ $line =~ s/ifuname\("(.+?)"\)//;
+ }
+
+ if ($line =~ /if\("(\w+)"\)/)
+ {
+ if (defined $main::config{$1})
+ {
+ if (($main::config{$1} !~ /y/i) and ($main::config{$1} ne "1"))
+ {
+ $line = "";
+ return "";
+ }
+ }
+
+ $line =~ s/if\("(.+?)"\)//;
+ }
+ if ($line =~ /if\(\!"(\w+)"\)/)
+ {
+ if (!exists $main::config{$1})
+ {
+ $line = "";
+ return "";
+ }
+ else
+ {
+ if (defined $1)
+ {
+ if (exists ($main::config{$1}) and (($main::config{$1} =~ /y/i) or ($main::config{$1} eq "1")))
+ {
+ $line = "";
+ return "";
+ }
+ }
+ }
+
+ $line =~ s/if\(\!"(.+?)"\)//;
+ }