#! /bin/csh -f
#
# Greps a Bro connection summary file on stdin for the given hosts.  Usage:
#
#	host-grep [-a] host ...
#
# If -a is specified then we only want lines with *all* of the listed hosts.

if ( "$1" == "-a" ) then
	shift
	if ( "$2" != "" ) then
		# More than one host, recurse.
		set h1 = $1
		shift
		host-grep $h1 | host-grep -a $*
		exit
	else
		# Just one host, fall through.
	endif
endif

# Thank you csh, for your totally busted sense of command composition
# and error propagation.
set sheesh=`ip-grep $*`
if ( $status != 0 ) then
	exit 1
endif

grep -E " $sheesh "