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I'm working with Wikipedia XML dumps and am looking for a way to extract them directly onto my ramdisk. They are simply a single xml file compressed with bzip2.
I tried
bzip2 -dk archive.bz2 /target/directory
But this ends up extracting the contents into the same directory archive.bz2 resides in. I didn't bother to wait and see if the contents get moved afterwards, as that's not what I'm looking for. Any ideas?
Adrian
Posted 2015-02-01T14:54:22.573
Reputation: 113
On my system, this seems to create a temporary file in the archive's directory, which I would like to avoid if possible. – Adrian – 2015-02-01T15:13:04.510
@Adrian, set TEMP variable to somewhere, for example target directory and try again. And consider bzip2 use good amount of memory when compression is high – Romeo Ninov – 2015-02-01T15:15:54.033
I tried setting
TEMP=/mnt/ramdiskwhich is my target and then running your command from there, but I still get a temporary inside the source directory. What am I missing? – Adrian – 2015-02-01T15:22:19.533@Adrian, this file is actually the uncompressed archive and you can't avoid it. I personally have no info how you can set to be created somewhere else. But you can always move the archive itself – Romeo Ninov – 2015-02-01T15:26:34.550
I see. I was hoping there was a way to funnel the extracted data on-the-fly to the target directory as a data stream. I'll see if I can find another solution. Thanks for the help though! – Adrian – 2015-02-01T15:29:19.877