#!/bin/sh -u
#  $0  pathname
# Find non-executable files and present a menu of choices.
# -IAN!  idallen@ncf.ca

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

# First check the input argument for validity.
#
if [ $# -ne 1 ] ; then
	echo 1>&2 "$0: Expecting one argument, found $# ($*)"
	exit 1
fi

if [ ! -f "$1" ] ; then
	echo 1>&2 "$0: '$1' is not an existing file"
	exit 1
fi

# If the argument is executable, do nothing.
# (This is not an error.)
#
if [ -x "$1" ] ; then
	echo "'$1' is executable"
	exit 0
fi

# This menu contains the prompt; put the whole menu on stderr
#
cat <<EOF 1>&2
            === Your Menu ===

    1. Display the first 7 lines of the file
    2. Delete the file
    3. Add execute permission to the file
    4. Move the file to the /tmp directory
    q. Quit

Enter a selection:
EOF

read sel

case "$sel" in
1)	head -7 "$1" || exit $? ;;
2)	rm "$1" || exit $? ;;
3)	chmod +x "$1" || exit $? ;;
4)	mv "$1" /tmp || exit $? ;;
q)	exit 0 ;;
*)	echo 1>&2 "$0: '$sel' is not recognized menu selection [1234q]"
	exit 1
	;;
esac

exit 0