#! /bin/sh -
if [ -t 0 ] && [ -n "${1}" ]; then
while [ -n "${1}" ]; do
printf '%s\n' "${1}" | sed 's/\\/\\\\/g; s/"/"'"'"'"'"'"'"/g; s/^/"/; s/$/"/'
shift
done
else
sed 's/\\/\\\\/g; s/"/"'"'"'"'"'"'"/g; s/^/"/; s/$/"/'
fi