lib/Tools/fixgoal

Sort search results in order of relevance, where relevance =
a) better if 0 premises for intro or 1 premise for elim/dest rules
b) better if substitution size wrt to current goal is smaller

Only applies to intro, dest, elim, and simp

(contributed by Rafal Kolanski, NICTA)

#!/usr/bin/env bash
#
# $Id$
# Author: Markus Wenzel, TU Muenchen
#
# DESCRIPTION: replace goal(w) commands by implicit versions Goal(w)


## diagnostics

PRG="$(basename "$0")"

function usage()
{
  echo
  echo "Usage: $PRG [FILES|DIRS...]"
  echo
  echo "  Recursively find .ML files, replacing goal(w)"
  echo "  commands by implicit versions Goal(w)"
  echo
  echo "  Renames old versions of FILES by appending \"~~\"."
  echo
  exit 1
}


## process command line

[ "$#" -eq 0 -o "$1" = "-?" ] && usage

SPECS="$@"; shift "$#"


## main

#set by configure
AUTO_PERL=perl

find $SPECS -name \*.ML -print | xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixgoal.pl"