#!/bin/sh
if [ $# -eq 0 ]; then
    echo "usage: tiffedit file [mytiffcp parameters]" >&2
    exit 1
fi
file=$1; shift
tmpfile=$(mktemp ~/.tiffedit.XXXXXX) || exit 1
mytiffcp "$@" "$file" $tmpfile || { rm -f $tmpfile; exit 1; }
mv -f $tmpfile "$file" && chmod go+r "$file"
.