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html_cmp revision 1.6 
      1 #! /bin/sh
      2 #
      3 #	$eterna: html_cmp,v 1.9 2011/11/17 22:18:02 mrg Exp $
      4 #
      5 # like cmp(1)/diff(1) but compares to files after making their
      6 # `Date: ' headers the same, to allow `now' and `then' to work properly.
      7 # it also tries to find servername's that might be the local host and
      8 # converts those as well..
      9 #
     10 # it must be called like `html_cmp cmp|diff file1 file1' *only*.
     11 
     12 if [ "cmp" = "$1" ]; then
     13 	cmd="cmp -s"
     14 elif [ "diff" = "$1" ]; then
     15 	cmd="diff -u"
     16 else
     17 	exit 77
     18 fi
     19 
     20 h=`hostname || uname -n`
     21 
     22 sedcmd="s/^Date: .*/Date: nowish/;
     23 	s/^Last-Modified: .*/Last-Modified: nowish/;
     24 	s/[a-zA-Z0-9-]*\.eterna\.com\.au/$h/g;
     25 	s/[a-zA-Z0-9-]*\.eterna23\.net/$h/g;
     26 	s/^Server: .*/^Server: bozotic HTTP server version 5.08/;
     27 	s/^Content-Length: .*/Content-Length: 223/;"
     28 
     29 sed -e "$sedcmd" < "$2" > "f1.tmp.$$"
     30 sed -e "$sedcmd" < "$3" > "f2.tmp.$$"
     31 
     32 ${cmd} "f1.tmp.$$" "f2.tmp.$$"
     33 rv=$?
     34 rm -f "f1.tmp.$$" "f2.tmp.$$"
     35 
     36 exit $rv
     37