v05i028: /etc/magic lines for compress

Bob Peirce news at investor.UUCP
Tue Nov 15 10:22:57 AEST 1988


In article <2643 at nuchat.UUCP> steve at nuchat.UUCP (Steve Nuchia) writes:
>Posting-number: Volume 5, Issue 28
>Submitted-by: "Steve Nuchia" <steve at nuchat.UUCP>
>Archive-name: compress.magic
>
>If you have a file(1) compatible with the one in sysVr3
>adding the following lines to /etc/magic will make it
>recognize compressed files.
>
>0	short		40223		compressed data
>>2	byte		<0200		- %d bits
>>2	byte		0214		- 12 bits
>>2	byte		0215		- 13 bits
>>2	byte		0220		- 16 bits
>
We have SysVr2.2 and the 40223 needed to be changed to 8093 (1F9D hex).
Use "od -x" on a compressed file to see if your first word is different.

We also found a space in front of the '-' would be included in the
output leading to "compressed data - 16 bits" instead of "compressed
data- 16 bits".

Much thanks for the idea.


-- 
Bob Peirce, Pittsburgh, PA				 412-471-5320
uucp: ...!{allegra, bellcore, cadre, idis, psuvax1}!pitt!investor!rbp
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