better miniscoping rules: the premise C~={} is not good
because Safe_tac eliminates such assumptions.
#!/bin/bash
#
# $Id$
#
# DESCRIPTION: expand shorthand goal commands
PRG=$(basename $0)
function usage()
{
echo
echo "Usage: $PRG [FILES|DIRS...]"
echo
echo " Recursively find .ML files, expand shorthand goal commands."
echo " Also contracts uses of resolve_tac, dresolve_tac, eresolve_tac,"
echo " rewrite_goals_tac on 1-element lists; furthermore expands tabs,"
echo " since they are now forbidden in ML string constants."
echo
echo " Renames old versions of files by appending \"~~\"."
echo
exit 1
}
## process command line
[ $# -eq 0 -o "$1" = "-?" ] && usage
SPECS="$@"; shift $#
## main
find $SPECS -name \*.ML -print | xargs perl -w $ISABELLE_HOME/lib/scripts/expandshort.pl