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How can we extract specific files from a large tar.gz file? I found the process of extracting files from a tar in Untar only a certain number of files from a large tarball but, when i tried the mentioned command there, i got the error:

$ tar --extract --file={test.tar.gz} {extract11}

tar: {test.tar.gz}: Cannot open: No such file or directory

tar: Error is not recoverable: exiting now

How do i extract a file from tar.gz then?

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up vote 25 down vote accepted

you can also use tar -zxvf <tar filename> <file you want to extract>

-x: instructs tar to extract files.
-f: specifies filename / tarball name.
-v: Verbose (show progress while extracting files).
-z: filter archive through gzip, use to decompress .gz files.
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$ tar -zxvf test.tar.gz extract11 tar: extract11: Not found in archive tar: Error exit delayed from previous errors – Ankit Vashistha Jan 16 '13 at 7:52
then try this tar tf archive.tar.gz | grep extract11.please check whether extract11 is in the archive or not – harish.venkat Jan 16 '13 at 8:06
You must write the file name exacty as tar ztf test.tar.gz shows it. If it says e.g. ./extract11, or some/bunch/of/dirs/extract11, that's what you have to give (and the file will show up under exactly that name, needed directories are created automatically). – vonbrand Jan 21 '13 at 20:16
I would like to add a point here, the -z option doesn't work in some versions of unix like HP-UX. – Ankit Vashistha Aug 26 '15 at 6:54

Let's assume you have a tarball called lotsofdata.tar.gz and you just know there is one file in there you want but all you can remember is that its name contains the word contract. You have two options:

Either use tar and grep to list the contents of your tarball so you can find out the full path and name of any files that match the part you know, and then use tar to extract that one file now you know its exact details, or you can use two little known switches to just extract all files that match what little you do know of your file name—you don't need to know the full name or any part of its path for this option. The details are:

Option 1

$ tar -tzf lotsofdata.tar.gz | grep contract

This will list the details of all files whose names contain your known part. Then you extract what you want using:

$ tar -xzf lotsofdata.tar.gz <full path and filename from your list above>

You may need ./ in front of your path for it to work.

Option 2

$ tar -xzf lotsofdata.tar.gz --wildcards --no-anchored '*contract*'

Up to you which you find easier or most useful.

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Drat. A typo on that last command: I duplicated -xzf. There should only be one instance of those switches. – Wendy Cricks Aug 10 '14 at 0:19

Your example works for me if you omit the braces

$ tar --extract --file=test.tar.gz extract11

If your file extract11 is in a subfolder, you should specify the path within the tarball.

$ tar --extract --file=test.tar.gz subfolder/extract11
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$ tar --extract --file=test.tar.gz extract11 tar: extract11: Not found in archive tar: Error exit delayed from previous errors – Ankit Vashistha Jan 16 '13 at 7:51
Then obiously extract11 is not in the tar-file. Be sure that you need to provide the relative path. See edit – Bernhard Jan 16 '13 at 7:59

i was trying to extract a couple of hundred files from tarball with thousands of files the other day. the files i need can not be referenced by a single wildcard. so i googled and found this page.

however, none of tricks above seem good for my task. i ended up reading the man, and found this option "--files-from", so my final solution is

gunzip < thousands.tar.gz | tar -x -v --files-from hundreds.list -f -

and it works like a charm

update: the list file should have the same format as you would see from tar -tvf, otherwise you would be able to extract any files

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Please find below the examples of extracting specific files from tar.gz file.

From local file:

$ tar xvf file.tgz path/README.txt 2nd_file.txt

From remote URL:

$ curl -s http://example.com/file.tgz | tar xvf - path/README.txt 2nd_file.txt
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