#!/usr/bin/env bash
#
# $Id$
# Author: Florian Haftmann, TUM
#
# DESCRIPTION: turn Isar theory headers into imports-uses-begin format
## diagnostics
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: $PRG [FILES|DIRS...]"
echo
echo " Recursively find .thy files, turning Isar theory headers into"
echo " imports-uses-begin format."
echo
echo " Renames old versions of FILES by appending \"~~\"."
echo
exit 1
}
## process command line
[ "$#" -eq 0 -o "$1" = "-?" ] && usage
SPECS="$@"; shift "$#"
## main
#set by configure
AUTO_PERL=perl
find $SPECS -name \*.thy -print | \
xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixheaders.pl"