[gPXE-devel] Minor Scripting Improvements

[Shao Miller]

Stefan Hajnoczi wrote:
>
> if ( rc | shell_exit_flag ) {
>
> The bitwise OR saves a few bytes compared to logical OR but looks odd.
>  On my system I can get the same size using:
>
> while ( ! shell_exit_flag && offset < image->len ) {
>

Yes, it's all about the code size. :)  I appreciate your findings here 
for a more pleasant alternative, Stefan.  I can certainly redo the 
staging branch for 'exit' and 'loopif' to use this.  Thanks!

- Shao Miller
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