--- ./install-catalog	Sat Jul  3 12:30:09 1999
+++ ../sgml-common/./install-catalog	Sat Jul  3 12:25:48 1999
@@ -0,0 +1,64 @@
+#!/bin/sh
+set -e
+sgmlbase=%{sgmlbase}/lib/sgml
+state=""
+package=""
+version=""
+
+for i in $*; do
+  case $state in 
+	"")
+	  case $i in
+	  --install) state="--install" ; action="install";;
+	  --remove) state="--remove"   ; action="remove";;
+	  --sgmlbase) state="--sgmlbase" ;;
+	  --version) state="--version" ;;
+	  *) cat <<__USAGE__
+Usage:
+ --install pkg:		installs pkg.cat in CATALOG
+ --remove pkg:		removes pkg.cat from CATALOG
+ --version ver:		qualify version of package
+ --sgmlbase path:	changes directory for pkg.cat and CATALOG
+__USAGE__
+ exit 0
+ ;;
+	  esac
+	;;
+	--install) state="" ; package=$i ;; 
+	--remove) state="" ; package=$i ;;
+	--sgmlbase) state="" ; sgmlbase=$i;;
+	--version) state="" ; version=$i ;;
+  esac
+done
+
+echo "install-catalog: $action of $package DTD"
+
+cat=$sgmlbase/CATALOG
+
+SBEG=" -- start $package $version"
+SEND=" -- end $package $version"
+
+case $action in
+  install)
+	if grep "$SBEG" $cat > /dev/null 2>/dev/null
+	then
+	  echo "$package DTD already in catalog"
+	else
+	  echo "adding $package DTD to catalog"
+	(echo "$SBEG -- "; 
+	 cat $sgmlbase/$package.cat ;
+	 echo "$SEND -- ") >> $cat
+	fi
+  ;;
+  remove)
+	if grep -q "$SBEG" $cat
+	then
+	  echo "removing $package$version DTD from catalog"
+          sed -e "/$SBEG/,/$SEND/d" < $cat > ${cat}.new
+                mv ${cat}.new ${cat}
+	else
+	  echo "No $package$version DTD found in catalog"
+	fi
+  ;;
+  *) echo "install-catalog: Invalid action $action"; exit 1 ;;
+esac