[U-Boot] [PATCH V4 05/12] cmd_test: check for binary operators before unary

[Tom Rini]

On Mon, Feb 03, 2014 at 01:21:03PM -0700, Stephen Warren wrote:

> From: Stephen Warren <swarren at nvidia.com>
> 
> This better mirrors the behaviour of bash, for example:
> 
> $ if test -z = -z; then echo yes; else echo no; fi
> yes
> 
> This is parsed as a string comparison of "-z" and "-z", since the check
> for the binary "=" operator occurs first. Without this change, the
> command would be parsed as a -z test of "-", followed by a syntax error;
> a trailing -z without and operand.
> 
> This is a behavioural change, but I believe any commands affected were
> previously invalid or bizarely formed.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>

Applied to u-boot/master, thanks!

-- 
Tom
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