From fe4f87c93c7298770b56778f840e3f9f3eab3a34 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Fri, 27 Oct 2006 22:02:22 +0000
Subject: Rewrite to use egrep regex, and order entries sanely.

---
 showlog | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

(limited to 'showlog')

diff --git a/showlog b/showlog
index 2ab11fc..aeceb94 100755
--- a/showlog
+++ b/showlog
@@ -3,7 +3,7 @@
 # /usr/local/sbin/showlog
 # Copyright 2002-2006 Jonas Smedegaard <dr@jones.dk>
 #
-# $Id: showlog,v 1.9 2006-10-27 12:35:11 jonas Exp $
+# $Id: showlog,v 1.10 2006-10-27 22:02:22 jonas Exp $
 #
 # Show topic-specific log entries
 #
@@ -22,21 +22,24 @@ exit1()	{
 }
 
 cat_logs()	{
-	rootdir=$1
-	shift
-	patterns=$@
+	rootdir="$1"
+	pattern="$2"
+	howmany="${3:-2}"
 
-	for pattern in $patterns; do
-		for file in `find $rootdir -mindepth 1 -maxdepth 1 -name "$pattern" -type f -follow | sort`; do
-			case $pattern in
-			    *.gz)
-				zcat $file;;
-			    *.bz2)
-				bzcat $file;;
-			    *)
-				cat $file;;
-			esac
-		done
+	if [ "$howmany" != "all" ]; then
+		files="$(find $rootdir -mindepth 1 -maxdepth 1 -regextype posix-egrep -regex "$pattern" -type f -follow | sort -nr | tail -n "$howmany")"
+	else
+		files="$(find $rootdir -mindepth 1 -maxdepth 1 -regextype posix-egrep -regex "$pattern" -type f -follow | sort -nr)"
+	fi
+	for file in $files; do
+		case $file in
+		    *.gz)
+			zcat $file;;
+		    *.bz2)
+			bzcat $file;;
+		    *)
+			cat $file;;
+		esac
 	done
 }
 
@@ -85,8 +88,7 @@ case "$target" in
 esac
 case "$target" in
     ftp|web|weberror|weberrors|websuexec|mail|system)
-	logpatterns="$log.? $log"
-#	logpatterns="$log.??.gz $log.?.gz $log.? $log"
+	logpattern="$(printf '.*/%s(\.[[:digit:]]+(\.gz)?)?\n' "$log")"
 	;;
     *)
 	exit1 "Undefined logpattern for \"$target\""
@@ -98,9 +100,9 @@ if [ $# -gt 0 ]; then
 	for keyword in $@; do
 		grep_opts="$opts -e $keyword"
 	done
-	cat_logs $logroot $logpatterns | grep -i $grep_opts | tail -n $tail_history
+	cat_logs "$logroot" "$logpattern" | grep -i $grep_opts | tail -n $tail_history
 #	[ -f $logroot/$log ] && tail -n 0 -F $logroot/$log | grep -i $grep_opts
 else
-	cat_logs $logroot $logpatterns | tail -n $tail_history
+	cat_logs "$logroot" "$logpattern" | tail -n $tail_history
 #	[ -f $logroot/$log ] && tail -n 0 -F $logroot/$log
 fi
-- 
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