X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fwatchdbg;h=a497eff92957f5bb269c7c1ce062f08c9acb83cd;hb=eb38b7e683f110d295e49b2d1aa75cb79f56fa41;hp=ff4d3438baa6edf16c852140218aa00982ce2215;hpb=83445c4f6ec6c885260944a9abe648aced399c40;p=spider.git

diff --git a/perl/watchdbg b/perl/watchdbg
index ff4d3438..a497eff9 100755
--- a/perl/watchdbg
+++ b/perl/watchdbg
@@ -3,10 +3,14 @@
 # watch the end of the current debug file (like tail -f) applying
 # any regexes supplied on the command line.
 #
+# There can be more than one <regexp>. a <regexp> preceeded by a '!' is
+# treated as NOT <regexp>. Each <regexp> is implcitly ANDed together.
+# All <regexp> are caseless.
+#
 # examples:-
 # 
 #   watchdbg g1tlh       # watch everything g1tlh does
-#   watchdbg 2 PCPROT       # watch all PCPROT messages + up to 2 lines before
+#   watchdbg -2 PCPROT       # watch all PCPROT messages + up to 2 lines before
 #   watchdbg gb7baa gb7djk   # watch the conversation between BAA and DJK 
 #
 
@@ -35,18 +39,28 @@ my $fh = $fp->open($today) or die $!;
 my $nolines = 1;
 $nolines = shift if $ARGV[0] =~ /^-?\d+$/;
 $nolines = abs $nolines if $nolines < 0;  
-my $exp = join '|', @ARGV;
+my @patt = @ARGV;
 my @prev;
 
 # seek to end of file
 $fh->seek(0, 2);
 for (;;) {
-	my $line = <$fh>;
+	my $line = $fh->getline;
 	if ($line) {
-		if ($exp) {
+		if (@patt) {
 			push @prev, $line;
 			shift @prev while @prev > $nolines; 
-			if ($line =~ m{(?:$exp)}oi) {
+			my $flag = 0;
+			foreach my $p (@patt) {
+				if ($p =~ /^!/) {
+					my $r = substr $p, 1;
+					last if $line =~ m{$r}i;
+				} else {
+					last unless $line =~ m{$p}i;
+				}
+				++$flag;
+			}		
+			if ($flag == @patt) {
 				printit(@prev);	
 				@prev = ();
 			}
@@ -80,7 +94,7 @@ sub printit
 		$line =~ s/([\x00-\x1f\x7f-\xff])/sprintf("\\x%02X", ord($1))/eg; 
 		my ($t, $l) =  split /\^/, $line, 2;
 		$t = time unless defined $t;
-		printf "%02d:%02d:%02d %s\n", (gmtime($t))[2,1,0], $l; 
+		printf "%02d:%02d:%02d %s\n", (gmtime($t))[2,1,0], $l;
 	}
 }
 exit(0);