#!/bin/bash
#
# $Id$
#
# DESCRIPTION: ensure that dots in formulas are followed by non-idents
## diagnostics
PRG=$(basename $0)
function usage()
{
echo
echo "Usage: $PRG [FILES|DIRS...]"
echo
echo " Recursively find .thy/.ML files, patching them to ensure that"
echo " dots in formulas are followed by non-idents."
echo
echo " Renames old versions of FILES by appending \"~~\"."
echo
exit 1
}
## process command line
[ $# -eq 0 -o "$1" = "-?" ] && usage
SPECS="$@"; shift $#
## main
PERL=$(type -path perl)
if [ -z $PERL ]; then
echo "$PRG fatal error: no perl!?"
else
find $SPECS \( -name \*.thy -o -name \*.ML \) -print | \
xargs $PERL $ISABELLE_HOME/lib/scripts/fixdots.pl
fi