Tidy up the shell scripts somewhat.
authorMark Wooding <mdw@distorted.org.uk>
Tue, 25 Jun 2013 19:29:36 +0000 (20:29 +0100)
committerMark Wooding <mdw@distorted.org.uk>
Tue, 25 Jun 2013 19:29:36 +0000 (20:29 +0100)
Main changes are replacing `sed' calls with ${var#...} and ${var%...},
and improving the quoting.


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