Unpack tar file11/12/2023 ![]() ![]() ![]() You can keep the extract code in a less compressed format if you'd rather, but you'll end up having to create a temporary file for the archive portion and ensure that it gets deleted. The exit line ensures that the shell doesn't try to execute the marker text or the archive contents as code. What remains will be the archive portion, which is processed normally by the rest of your code. It supports a myriad of other file formats and conversions. With this, you're using grep to find the line number that contains the marker, then stripping off that many lines with tail. ezyZip is a free online utility for opening and extracting tar files online in your browser. Make sure there is nothing in the script portion following the marker text except a newline character (which the markup on this website doesn't make visible). I have tried to extract it with : tar tarfile. Linenum=$(grep -n "_END_OF_SCRIPT_MARKER_" $ | tail -1 | sed -e 's/.*//') Im trying to extract a tar.gz of around 5 gig (contents around 35) on our databricks environment. One possible way to do this is to tweak your extract script to something like this: #!/bin/sh What you need to do is to add some code that will separate the script from the archive, then run the remaining commands on just the archive portion. The base64 call turns the script portion into garbage, which then confuses tar. The extract process runs the entire output file through base64 and tar, not just the archive. Your output file is an archive with a shell script stuck to the front of it. If you do need to write this yourself, here are some thoughts: Is it necessary to do this yourself? There is an existing tool called makeself that can do this for you. That's definitely a more refined program. You'd need one test in the generator script, and a copy of the test in the generated script. So, you could auto-detect whether you have the GNU base64 and adapt accordingly. There is NO WARRANTY, to the extent permitted by law. This is free software: you are free to change and redistribute it. ![]() In outline, the script you want to generate should look like: base64 -d. Tar: Error is not recoverable: exiting now Can anyone explain to me why? #!/bin/shĮcho "sed '0,/^#TARBALL#$/d' $0 | $ | base64 -d | tar -xzv exit 0" > extract.sh Ĭat extract.sh > $ Any advice is appreciated #!/bin/shĮcho "base64 -d $" > $ Įcho "tar -xzvf $" > $ īase64 > $ ĭid some looking around and this is what I have now, still doesn't work. I don't know where to go form here and have little to no experience in shell scripting.Īs is this script creates tar archive that is zipped and encoded, but the self extracting does not work when i try to run the. I have attempted to write a shell script that creates another self extracting tar archive that is zipped and encoded in base64. ![]()
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