X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=perl%2Fgrepdbg;h=35c9a748ba9d4da025e339698d3eb2921e17f00c;hb=b130a82bd2ea2a977e347c64c26c605931d0b9d2;hp=c44fc92b85c3a08f2565ef95e73f91a82886a1ca;hpb=9da1742219a27b1c02fd57794412088e4d7b3d1d;p=spider.git

diff --git a/perl/grepdbg b/perl/grepdbg
index c44fc92b..35c9a748 100755
--- a/perl/grepdbg
+++ b/perl/grepdbg
@@ -33,17 +33,21 @@ use vars qw(@list $fp @today $string);
 
 $fp = DXLog::new('debug', 'dat', 'd');
 @today = Julian::unixtoj(time()); 
+my $nolines = 1;
+my @prev;
 
 for my $arg (@ARGV) {
 	if ($arg =~ /^-/) {
 		$arg =~ s/^-//o;
 		push @list, $arg;
+	} elsif ($arg =~ /^\d+$/) {
+		$nolines = $arg;
 	} else {
 		$string = $arg;
 		last;
 	}
 }
-die "usage: dispdbg [[-nnn] ..] <string>\n" unless  $string;
+die "usage: grepdbg [nn] [[-nnn] ..] <regexp>\n" unless  $string;
 
 push @list, "0" unless @list;
 for my $entry (@list) {
@@ -54,10 +58,15 @@ for my $entry (@list) {
 		while (<$fh>) {
 			my $line = $_;
 			chomp $line;
-			if ($line =~ m{\Q$string}io) {
-				my @line =  split '\^', $line;
-				my $t = shift @line;
-				print atime($t), ' ', join('^', @line), "\n"; 
+			push @prev, $line;
+			shift @prev while @prev > $nolines;
+			if ($line =~ m{$string}io) {
+				for (@prev) {
+					my @line =  split '\^';
+					my $t = shift @line;
+					print atime($t), ' ', join('^', @line), "\n"; 
+				}
+				@prev = ();
 			}
 		}
 		$fp->close();