pipe of tar and tree commands?

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2














I would like to see the tree of a big compressed file (specifically only the second level of directories) so I used the following command:

tar -tf tarfile | tree -L 2



But it outputs the tree of the directory I am in, not of the compressed file. The other commands work fine, for example if I do:

tar -tf tarfile | less

It lets me explore correctly the tarfile.



Am I doing something wrong or I can't use tree like other commands trough pipping? If not, is there any other way to only see the files till second level directories of a compressed file?










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  • Do you have archivemount installed?
    – Mark Plotnick
    Dec 27 '18 at 23:51










  • No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
    – Aurelie Navir
    Dec 28 '18 at 0:39










  • It's probably a bit slower than tar tvf. How big are your tar files?
    – Mark Plotnick
    Dec 28 '18 at 1:54
















2














I would like to see the tree of a big compressed file (specifically only the second level of directories) so I used the following command:

tar -tf tarfile | tree -L 2



But it outputs the tree of the directory I am in, not of the compressed file. The other commands work fine, for example if I do:

tar -tf tarfile | less

It lets me explore correctly the tarfile.



Am I doing something wrong or I can't use tree like other commands trough pipping? If not, is there any other way to only see the files till second level directories of a compressed file?










share|improve this question





















  • Do you have archivemount installed?
    – Mark Plotnick
    Dec 27 '18 at 23:51










  • No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
    – Aurelie Navir
    Dec 28 '18 at 0:39










  • It's probably a bit slower than tar tvf. How big are your tar files?
    – Mark Plotnick
    Dec 28 '18 at 1:54














2












2








2







I would like to see the tree of a big compressed file (specifically only the second level of directories) so I used the following command:

tar -tf tarfile | tree -L 2



But it outputs the tree of the directory I am in, not of the compressed file. The other commands work fine, for example if I do:

tar -tf tarfile | less

It lets me explore correctly the tarfile.



Am I doing something wrong or I can't use tree like other commands trough pipping? If not, is there any other way to only see the files till second level directories of a compressed file?










share|improve this question













I would like to see the tree of a big compressed file (specifically only the second level of directories) so I used the following command:

tar -tf tarfile | tree -L 2



But it outputs the tree of the directory I am in, not of the compressed file. The other commands work fine, for example if I do:

tar -tf tarfile | less

It lets me explore correctly the tarfile.



Am I doing something wrong or I can't use tree like other commands trough pipping? If not, is there any other way to only see the files till second level directories of a compressed file?







pipe tar command tree






share|improve this question













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asked Dec 27 '18 at 23:30









Aurelie NavirAurelie Navir

132




132











  • Do you have archivemount installed?
    – Mark Plotnick
    Dec 27 '18 at 23:51










  • No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
    – Aurelie Navir
    Dec 28 '18 at 0:39










  • It's probably a bit slower than tar tvf. How big are your tar files?
    – Mark Plotnick
    Dec 28 '18 at 1:54

















  • Do you have archivemount installed?
    – Mark Plotnick
    Dec 27 '18 at 23:51










  • No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
    – Aurelie Navir
    Dec 28 '18 at 0:39










  • It's probably a bit slower than tar tvf. How big are your tar files?
    – Mark Plotnick
    Dec 28 '18 at 1:54
















Do you have archivemount installed?
– Mark Plotnick
Dec 27 '18 at 23:51




Do you have archivemount installed?
– Mark Plotnick
Dec 27 '18 at 23:51












No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
– Aurelie Navir
Dec 28 '18 at 0:39




No, I just read about the command. But from what I understand, the command is used to mount the tarFile into a mount point. That would take a lot of time if the tar is too big right? Or maybe I have to use it some specific options only to show the files till some level?
– Aurelie Navir
Dec 28 '18 at 0:39












It's probably a bit slower than tar tvf. How big are your tar files?
– Mark Plotnick
Dec 28 '18 at 1:54





It's probably a bit slower than tar tvf. How big are your tar files?
– Mark Plotnick
Dec 28 '18 at 1:54











1 Answer
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Since tree does not read stdin, but instead traverses the actual directory structure (whether the current directory or the specified directories), you would need to post-process the table of contents of the tar file. If the tar file was created with full/absolute path names, you'll need to adjust the ranges to find your desired directory depth.



One option is awk:



tar -tf tarfile | awk -F/ 'NF == 3'


Another is cut (sorting uniquely so that child directories beyond level 2 don't cause the parent to be reported again):



tar -tf tarfile | cut -d/ -f1-3 | sort -u





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    1 Answer
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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    Since tree does not read stdin, but instead traverses the actual directory structure (whether the current directory or the specified directories), you would need to post-process the table of contents of the tar file. If the tar file was created with full/absolute path names, you'll need to adjust the ranges to find your desired directory depth.



    One option is awk:



    tar -tf tarfile | awk -F/ 'NF == 3'


    Another is cut (sorting uniquely so that child directories beyond level 2 don't cause the parent to be reported again):



    tar -tf tarfile | cut -d/ -f1-3 | sort -u





    share|improve this answer

























      3














      Since tree does not read stdin, but instead traverses the actual directory structure (whether the current directory or the specified directories), you would need to post-process the table of contents of the tar file. If the tar file was created with full/absolute path names, you'll need to adjust the ranges to find your desired directory depth.



      One option is awk:



      tar -tf tarfile | awk -F/ 'NF == 3'


      Another is cut (sorting uniquely so that child directories beyond level 2 don't cause the parent to be reported again):



      tar -tf tarfile | cut -d/ -f1-3 | sort -u





      share|improve this answer























        3












        3








        3






        Since tree does not read stdin, but instead traverses the actual directory structure (whether the current directory or the specified directories), you would need to post-process the table of contents of the tar file. If the tar file was created with full/absolute path names, you'll need to adjust the ranges to find your desired directory depth.



        One option is awk:



        tar -tf tarfile | awk -F/ 'NF == 3'


        Another is cut (sorting uniquely so that child directories beyond level 2 don't cause the parent to be reported again):



        tar -tf tarfile | cut -d/ -f1-3 | sort -u





        share|improve this answer












        Since tree does not read stdin, but instead traverses the actual directory structure (whether the current directory or the specified directories), you would need to post-process the table of contents of the tar file. If the tar file was created with full/absolute path names, you'll need to adjust the ranges to find your desired directory depth.



        One option is awk:



        tar -tf tarfile | awk -F/ 'NF == 3'


        Another is cut (sorting uniquely so that child directories beyond level 2 don't cause the parent to be reported again):



        tar -tf tarfile | cut -d/ -f1-3 | sort -u






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Dec 28 '18 at 2:10









        Jeff SchallerJeff Schaller

        39.1k1054125




        39.1k1054125



























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