Re: [PATCH] cleans up builtin-mv

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On Thu, 17 Aug 2006, David Rientjes wrote:

> Cleans up builtin-mv by removing a needless check of source's length, 
> redefinition of source's length, and misuse of strlen call that was 
> already assigned.
> 

I'm not sure when this command had been added to the tree because it 
definitely was not included six months ago in a git tree I use everyday.  
It seems to me like this would more appropriately be handled by a simple 
shell script that would be much simpler to implement and could not 
possibly be slower than this implementation.

This patch is a small fraction of what could be changed in this 
implementation and I don't doubt it will undergo a complete rewrite in the 
future.  I think the problems with it have compounded on top of itself 
over time which doesn't make a lot of sense since it appears to be a 
relatively new addition.

For example:
	(length = strlen(source[i])) >= 0

was _completely_ unnecessary since the previous instruction was a call to 
lstat(source[i], ...) which would return ENOENT if source[i] was empty.  
strlen(source[i]) was assigned to a variable later in the function, this 
time called "len" instead.  There was also an additional call to 
strlen(source[i]) on its own even though the len variable was within 
scope.

This code is _utterly_ unsatisfactory.

		David
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