Re: vim: how to search a pattern through all files in a compressed file (e.g. a tar.gz ball)?

On Fri, Sep 14, 2012 at 01:14:58PM -0500, sc wrote:
> On Fri, Sep 14, 2012 at 01:11:45PM -0500, sc wrote:
> > On Fri, Sep 14, 2012 at 12:46:08PM -0500, Tim Chase wrote:
> > > On 09/14/12 12:10, Ben Fritz wrote:
> > > > On Friday, September 14, 2012 12:06:41 PM UTC-5, sc wrote:
> > > >> On Fri, Sep 14, 2012 at 12:14:41PM -0400, ping wrote:
> > > >>> assume I have a tar ball containing muliple files and I don't want
> > > >>> to uncompress everything in a folder to start my search (since vim
> > > >>> can open compressed/tar.ed files on the fly), is there way to search
> > > >>> a keyword through all the files in the tarball?
> > > >>
> > > >> do you have zgrep available? if so you can
> > > >> zgrep 'pattern' tar-gz-file | vim -
> > > >
> > > > I didn't know about zgrep! But how about setting 'grepprg' to use
> > > > it rather than grep? Then you can navigate results easier.

> > > Does it work for you with gzipped tar files? I know you can use
> > > zgrep for plain (non-tar'ed) gzipped files, but when I try it on a
> > > gzipped tar file, it only tells me that a binary file matches:

> > > ~$ cd tmp
> > > ~/tmp$ mkdir d
> > > ~/tmp$ cd d
> > > ~/tmp/d$ echo alpha > a.txt
> > > ~/tmp/d$ echo beta > b.txt
> > > ~/tmp/d$ echo delta > d.txt
> > > ~/tmp/d$ cd ..
> > > ~/tmp$ tar cvfz d.tgz d/
> > > d/
> > > d/a.txt
> > > d/d.txt
> > > d/b.txt
> > > ~/tmp$ zgrep alpha d.tgz
> > > Binary file (standard input) matches

> > to be honest I don't know -- I learned about zgrep quite recently and
> > have never had occasion to use it -- I only briefly scanned the man
> > page before posting -- forgive me, I assumed it would handle tarfiles
> > too

> > maybe you'd need something like

> > tar -xz tar-gz-file | grep 'pattern'

> and let me add an O:

> tar -xzO tar-gz-file | grep 'pattern'

> that should do it

no, but

tar -zxOf targzfile

will send it to stdout, but grep just reports the binary file matches

so to use vim and search you could

tar -zxOf targzfile | vim -

and then search the buffer for your pattern

sc

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