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I want to tar compress every file in the directory, including the files in sub directories into a tar archive without any sub directories. So, that all the files are together in a single archive directory.

  • 1
    Have you tried these unix.stackexchange.com/questions/24870/… ? – Tyler Chambers Jun 29 '18 at 1:05
  • Yes, but that question is asking for just the files in the base directory. I want to recursively get every file in the directory including the files in its sub directories. – Philip Miller Jun 29 '18 at 1:30
  • With GNU tar, you could use --transform to strip the paths - however the resulting archive would still include the (then empty) directories I think – steeldriver Jun 29 '18 at 1:34
  • Yeah. It seems like I'll have to $ find the files and put them into a temp directory then just tar that directory instead. – Philip Miller Jun 29 '18 at 1:49
  • @PhilipMiller with the find options, you could just remove the -maxdepth 1 to enable recursion. – muru Jun 29 '18 at 1:52
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A solution , without copy using tar in append mode

find /etc -type f | ( 
   CNT=1 ; 
   TARDST="/tmp/a_flat_archive.tar" 
   while read F ; 
   do 
       D=$(dirname $F) ; 
       SF=$(basename $F) ; 
       if [ $CNT -eq 1 ]; 
       then 
           tar -C "$D" -cf $TARDST  "$SF" ;
       else 
           tar -C "$D" --append -f $TARDST "$SF" ;
       fi ; 
       CNT=$(( $CNT +1 )) ;
   done 
)
  • Note that --append is a GNU extension to tar. If you're stuck with POSIX tar (the question currently is not tagged specifically enough to tell), the -u update option can be used to update an existing tar file. – Andrew Henle Jun 30 '18 at 1:56
  • Both, the append option and -u are dangerous with GNU tar in case that the archive is not created with the same tar implementation or same command. GNU tar does not honor existing archive formats and happily creates archives that change the archive format in the middle. Such archives tend to be unreadable by other cleanly written archivers. – schily Jun 30 '18 at 8:07
  • BTW: did you read my example that creates the archive in one pass using star? – schily Jun 30 '18 at 8:08

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