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Re: [Qemu-devel] [PATCH] qemu-iotests: Fix _filter_qemu
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From: |
Markus Armbruster |
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Subject: |
Re: [Qemu-devel] [PATCH] qemu-iotests: Fix _filter_qemu |
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Date: |
Tue, 16 Apr 2013 15:52:14 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) |
Stefan Hajnoczi <address@hidden> writes:
[...]
> The problem with the POSIX shell string replacement is that the syntax
> is horrible. I can never remember what ${%}, ${%%}, ${#} and
> %{##} do. $(basename $QEMU_PROG) is clear (although it doesn't handle
> spaces in the filename!).
Here's how I cope. # is left of % my keyboard. # matches "on the
left", % "on the right". #/% are "short" and pick the shortest matching
pattern. ##/%% are "long" and pick the longest matching pattern.