#!/bin/sh -u
#    $0 scriptname
# The master script validator.  Calls four other scripts, each of
# which checks some part of the given script for validity.
# -IAN! idallen@ncf.ca     March 11, 2002

export PATH=/bin:/usr/bin
umask 022

if [ "$#" -ne 1 ] ; then
	echo 1>&2 "$0: Expecting one script argument, found $# ($*)"
	exit 1	# return a bad exit code
fi

scriptname="$1"

if [ ! -f "$scriptname" ]; then
	echo 1>&2 "$0: '$scriptname' is not a file"
	exit 1	# return a bad exit code
fi
if [ ! -r "$scriptname" ]; then
	echo 1>&2 "$0: '$scriptname' is not readable"
	exit 1	# return a bad exit code
fi
if [ ! -s "$scriptname" ]; then
	echo 1>&2 "$0: '$scriptname' is empty"
	exit 1	# return a bad exit code
fi

# Call four other scripts to validate the argument.
# (You must write these other four scripts!)
#
./first-scriptname "$scriptname" || exit $?
./second-scriptname "$scriptname" || exit $?
./third-scriptname "$scriptname" || exit $?
./fourth-scriptname "$scriptname" || exit $?

echo "The script '$scriptname' passed all of the tests."