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bug#35401: Decompressing File

From: Adler, Mark
Subject: bug#35401: Decompressing File
Date: Wed, 24 Apr 2019 17:00:39 +0000

This does not appear to be an end-of-line conversion issue. The files you 
attached are uuencoded, which would transfer fine with or without end-of-line 
conversion. However, when uudecoded they are still not gzip files, and they do 
not have any deflate-compressed streams buried within. After decoding they have 
an approximately flat distribution of byte values, so the files may be 
compressed, encrypted, or both.

After uudecoding, they all start with the same first eight bytes: 6d e3 79 12 
3e ce 81 1c, which may be some sort of signature.

> On Apr 23, 2019, at 11:03 AM, Davis, Marvita <address@hidden> wrote:
> I am having issues decompressing the ".gz" files on our side.  These are 
> files generated by Bloomberg.  Bloomberg is able to decompress on their end 
> with ... "gunzip -d -k dFIR_20190329110022.dat.gz" ... and have helped me out 
> by sending the output file.  Here is the output when trying various commands. 
>  Same output for all files.
> njbgceis-zd1:/export/home/secbatch/data/FIR>%  gunzip -d -k 
> dFIR_20190329110033.out.gz
> gzip: invalid option -- 'k'
> Try `gzip --help' for more information.
> njbgceis-zd1:/export/home/secbatch/data/FIR>% gunzip -d  
> dFIR_20190329110033.out.gz
> gzip: dFIR_20190329110033.out.gz: not in gzip format
> njbgceis-zd1:/export/home/secbatch/data/FIR>% gunzip  
> dFIR_20190329110033.out.gz
> gzip: dFIR_20190329110033.out.gz: not in gzip format
> Can someone confirm the  format?  Is it possible format changed on SFTP from 
> Bloomberg to local machine.
> Thanks in advance,
> Marvita Davis
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> <dFIR_20190329110022.dat.gz><dFIR_20190329110033.out.gz><dFIR_20190329110044.out.gz>

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