[ipxe-devel] new functions "chop" and "upper"

JUNG, Christian christian.jung at shsservices.org
Fri Feb 19 14:11:52 GMT 2016


Hello,

I've added two new functions ("chop" and "upper") to the iPXE shell and attached the patch to this mail. These help me to resemble the pxelinux.0 behaviour.

"chop" cuts off the last character of a given setting and "upper" changes a setting to upper case.

I'm not sure whether the implementation of the two functions is really the best one. Any thoughts about it?

The embedded script in the undionly.kpxe could be:

---8<---
#!ipxe

ifopen

set prefix tftp://${next-server}/tftpboot/pxelinux.cfg

isset ${uuid} && chain --replace --autofree ${prefix}/${uuid} ||
chain --replace --autofree ${prefix}/01-${mac:hexhyp} ||

set uppercase-ip ${ip:hexraw}
upper uppercase-ip

:loop
chain --replace --autofree ${prefix}/${uppercase-ip} ||
chop uppercase-ip
isset ${uppercase-ip} && goto loop ||

chain --replace --autofree ${prefix}/default ||

exit
---8<---


bye
Chris

---
Christian Jung
Informatik/Systemtechnik 2
Telefon: +49 6898 10 4987
E-Mail: christian.jung at shsservices.org

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