#UTIME "$FISH_TOUCHATIME_W_NSEC" "$FISH_TOUCHMTIME_W_NSEC" "$FISH_FILENAME"
if TZ=UTC touch -m -d "$FISH_TOUCHMTIME_W_NSEC" "/${FISH_FILENAME}" 2>/dev/null && \
   TZ=UTC touch -a -d "$FISH_TOUCHATIME_W_NSEC" "/${FISH_FILENAME}" 2>/dev/null; then
  echo "### 000"
elif TZ=UTC touch -m -t $FISH_TOUCHMTIME "/${FISH_FILENAME}" 2>/dev/null && \
     TZ=UTC touch -a -t $FISH_TOUCHATIME "/${FISH_FILENAME}" 2>/dev/null; then
  echo "### 000"
elif [ -n "$FISH_HAVE_PERL" ] &&
   perl -e 'utime '$FISH_FILEATIME','$FISH_FILEMTIME',@ARGV;' "/${FISH_FILENAME}" 2>/dev/null; then
  echo "### 000"
else
  echo "### 500"
fi