From f18a5bbaecbb46d84daa3cfa7968697fb87da742 Mon Sep 17 00:00:00 2001
From: minima <minima>
Date: Sun, 3 Dec 2000 13:48:26 +0000
Subject: [PATCH] change watchdbg and grepdbg to show preceeding lines remove
 sh/call from help

---
 Changes             |  6 ++++++
 cmd/Commands_en.hlp |  9 +++++----
 perl/cluster.pl     |  1 -
 perl/grepdbg        | 16 ++++++++++++----
 perl/watchdbg       | 28 +++++++++++++++++-----------
 5 files changed, 40 insertions(+), 20 deletions(-)

diff --git a/Changes b/Changes
index 4bf36d1e..1745e0f0 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,9 @@
+03Dec00=======================================================================
+1. change grepdbg and watchdbg so that you can see a number of lines before
+the condx that you are looking for so:-
+  grepdbg 3 LOOP
+  watchdbg 3 LOOP 
+will show both the LOOP line and the preceeding 2 lines.
 30Nov00=======================================================================
 1. remove %nn strings from dups of announces and spots
 2. remove check for ssids on PC41s 
diff --git a/cmd/Commands_en.hlp b/cmd/Commands_en.hlp
index 74a623a6..66062386 100644
--- a/cmd/Commands_en.hlp
+++ b/cmd/Commands_en.hlp
@@ -1002,10 +1002,6 @@ Tell the system where you are. For example:-
 Display all the bad node callsigns in the system, see SET/BADNODE
 for more information.
 
-=== 0^SHOW/CALL <callsign>^Show any callbook details on a callsign
-This command queries an international callbook server on the internet
-and returns any information available for that callsign. 
-
 === 0^SHOW/DATE [<prefix>|<callsign>]^Show the local time 
 This is very nearly the same as SHOW/TIME, the only difference the format
 of the date string if no arguments are given.
@@ -1222,6 +1218,11 @@ example:-
 
 SH/QRA 52 41 N 0 58 E
 
+=== 0^SHOW/QRZ <callsign>^Show any callbook details on a callsign
+This command queries the QRZ callbook server on the internet
+and returns any information available for that callsign. This service
+is provided for users of this software by http://www.qrz.com 
+
 === 0^SHOW/SATELLITE <name> [<hours> <interval>]^Show tracking data
 Show the tracking data from your location to the satellite of your choice
 from now on for the next few hours.
diff --git a/perl/cluster.pl b/perl/cluster.pl
index a126b20b..5aef0056 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -38,7 +38,6 @@ BEGIN {
 	close CLLOCK;
 }
 
-
 use Msg;
 use DXVars;
 use DXDebug;
diff --git a/perl/grepdbg b/perl/grepdbg
index 250a898b..a59ea742 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: grepdbg [[-nnn] ..] <regexp>\n" unless  $string;
+die "usage: grepdbg [nn] [[-nnn] ..] <regexp>\n" unless  $string;
 
 push @list, "0" unless @list;
 for my $entry (@list) {
@@ -54,10 +58,14 @@ for my $entry (@list) {
 		while (<$fh>) {
 			my $line = $_;
 			chomp $line;
+			push @prev, $line;
+			shift @prev while @prev > $nolines;
 			if ($line =~ m{$string}io) {
-				my @line =  split '\^', $line;
-				my $t = shift @line;
-				print atime($t), ' ', join('^', @line), "\n"; 
+				for (@prev) {
+					my @line =  split '\^';
+					my $t = shift @line;
+					print atime($t), ' ', join('^', @line), "\n"; 
+				}
 			}
 		}
 		$fp->close();
diff --git a/perl/watchdbg b/perl/watchdbg
index 17bb3289..4ac24be1 100755
--- a/perl/watchdbg
+++ b/perl/watchdbg
@@ -31,7 +31,9 @@ use strict;
 my $fp = DXLog::new('debug', 'dat', 'd');
 my @today = Julian::unixtoj(time()); 
 my $fh = $fp->open(@today) or die $!; 
+my $nolines = shift if $ARGV[0] =~ /^\d+$/ || 1;
 my $exp = join '|', @ARGV;
+my @prev;
 
 # seek to end of file
 $fh->seek(0, 2);
@@ -39,13 +41,15 @@ for (;;) {
 	my $line = <$fh>;
 	if ($line) {
 		if ($exp) {
-			printit($line) if $line =~ m{(?:$exp)}oi;
+			push @prev, $line;
+			shift @prev while @prev > $nolines; 
+			printit(@prev) if $line =~ m{(?:$exp)}oi;
 		} else {
-	            printit($line);
-        	}
+			printit($line);
+		}
 	} else {
 		sleep(1);
-
+		
 		# check that the debug hasn't rolled over to next day
 		# open it if it has
 		my @now = Julian::unixtoj(time()); 
@@ -64,12 +68,14 @@ for (;;) {
 
 sub printit
 {
-	my $line = shift;
-	my @line =  split '\^', $line;
-	my $t = shift @line;
-	my ($sec,$min,$hour) = gmtime((defined $t) ? $t : time);
-	my $buf = sprintf "%02d:%02d:%02d", $hour, $min, $sec;
-
-	print $buf, ' ', join('^', @line); 
+	while (@_) {
+		my $line = shift;
+		my @line =  split '\^', $line;
+		my $t = shift @line;
+		my ($sec,$min,$hour) = gmtime((defined $t) ? $t : time);
+		my $buf = sprintf "%02d:%02d:%02d", $hour, $min, $sec;
+		
+		print $buf, ' ', join('^', @line); 
+	}
 }
 exit(0);
-- 
2.43.0