MD5 check failed on extracting shar file whose name has $

[IIDA Yosiaki]

Hello, sharutils maintainer.
Subject reads almost everything.  Enjoy the following sample.

$ md5sum 'Blink$1.class'
fecf58170f2af896c82f8d1e30fb76d5  Blink$1.class
$ shar 'Blink$1.class' >/tmp/Blink.sh
shar: Saving Blink$1.class (binary)
$ rm 'Blink$1.class'
$ sh /tmp/Blink.sh
x - created lock directory `_sh23055'.
x - extracting Blink$1.class (binary)
Blink$1.class: MD5 check failed
x - removed lock directory `_sh23055'.
$ md5sum 'Blink$1.class'
fecf58170f2af896c82f8d1e30fb76d5  Blink$1.class
$
--
  iida