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unix command to generate .lzma files

Posted: Mon Mar 21, 2011 11:14 am
by asterix
Hello,
I have a general question concerning the generation of the .lzma files.
How are the gargoyle firmware files .lzma generated?
Is this done via a standard linux command?

Background: I have a firmware file for my router la fonera 2200 that is not compressed. I need to compress this file in the .lzma format in order to program the router with the fonflash utility. I have made some trials with 7zip compressor (that uses also lzma as compressor mode) but had no luck, the lzma generated had the wrong lzma type, it was not LZMA:23.
Thank you in advance for your help.