#!/bin/bash
#

#
# tip: to assemble a template from all slack tagfiles:
#
# for diskset in a ap d e f k l n t tcl x xap y; do 
#   lynx -dump http://slack.sarava.org/slackware/slackware-10.2/slackware/$diskset/tagfile >> slack.template
# done
#

if [ -z "$2" ]; then
  echo "usage: `basename $0` <template> <base-template>"
  exit 1
elif [ ! -f "$1" ] || [ ! -f "$2" ]; then
  echo error: $1 ou $2 not found
  exit 1
fi

cp $2 $1.new

cat $1 | while read line; do
  pack="`echo $line | cut -d : -f 1`"
  if ! grep -qe "^$pack:" $2; then
    echo $line >> $1.new
  fi
done