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Determine the number of directories inside a tar file without extracting it

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2

I need to count directories inside an archive file (e.g. tar.bz) without extracting the archive. Note that the archive is too big so that it will be hard to extract then count directories using ls | wc -l.

directory tar archive wc

share|improve this question

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Top-level directories or including every subdirectory?
  
  – Jeff Schaller♦
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I want to count top-level directories actually? But if you can give a hint on how to recursively count or specify a certain depth, it would be perfect.
  
  – Tung
  yesterday
  

  
  
  
  

add a comment | 

2

I need to count directories inside an archive file (e.g. tar.bz) without extracting the archive. Note that the archive is too big so that it will be hard to extract then count directories using ls | wc -l.

directory tar archive wc

share|improve this question

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Top-level directories or including every subdirectory?
  
  – Jeff Schaller♦
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I want to count top-level directories actually? But if you can give a hint on how to recursively count or specify a certain depth, it would be perfect.
  
  – Tung
  yesterday
  

  
  
  
  

add a comment | 

I need to count directories inside an archive file (e.g. tar.bz) without extracting the archive. Note that the archive is too big so that it will be hard to extract then count directories using ls | wc -l.

directory tar archive wc

share|improve this question

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

share|improve this question

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

share|improve this question

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

edited yesterday

Jeff Schaller♦

44k1161142

edited yesterday

Jeff Schaller♦

44k1161142

asked yesterday

TungTung

1334

asked yesterday

TungTung

1334

1 Answer
1

active

oldest

votes

3

This should list all the files from the archive, then find the lines ending with / (folders) and then take the line count of it:

tar -tvf file.tar | grep '/$' | wc -l

edit: if you want to only count the top level dirs:

tar --exclude='./*/*' -tvf file.tar | grep '/$' | wc -l

If you want to go recursively one level deeper:

tar --exclude='./*/*/*' -tvf file.tar | grep '/$' | wc -l

and so on...

share|improve this answer

edited yesterday

answered yesterday

Jussi HietanenJussi Hietanen

725

add a comment | 

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3

This should list all the files from the archive, then find the lines ending with / (folders) and then take the line count of it:

tar -tvf file.tar | grep '/$' | wc -l

edit: if you want to only count the top level dirs:

tar --exclude='./*/*' -tvf file.tar | grep '/$' | wc -l

If you want to go recursively one level deeper:

tar --exclude='./*/*/*' -tvf file.tar | grep '/$' | wc -l

and so on...

share|improve this answer

edited yesterday

answered yesterday

Jussi HietanenJussi Hietanen

725

add a comment | 

3

This should list all the files from the archive, then find the lines ending with / (folders) and then take the line count of it:

tar -tvf file.tar | grep '/$' | wc -l

edit: if you want to only count the top level dirs:

tar --exclude='./*/*' -tvf file.tar | grep '/$' | wc -l

If you want to go recursively one level deeper:

tar --exclude='./*/*/*' -tvf file.tar | grep '/$' | wc -l

and so on...

share|improve this answer

edited yesterday

answered yesterday

Jussi HietanenJussi Hietanen

725

add a comment | 

This should list all the files from the archive, then find the lines ending with / (folders) and then take the line count of it:

tar -tvf file.tar | grep '/$' | wc -l

edit: if you want to only count the top level dirs:

tar --exclude='./*/*' -tvf file.tar | grep '/$' | wc -l

If you want to go recursively one level deeper:

tar --exclude='./*/*/*' -tvf file.tar | grep '/$' | wc -l

and so on...

share|improve this answer

edited yesterday

answered yesterday

Jussi HietanenJussi Hietanen

725

share|improve this answer

edited yesterday

answered yesterday

Jussi HietanenJussi Hietanen

725

answered yesterday

Jussi HietanenJussi Hietanen

725

answered yesterday

Jussi HietanenJussi Hietanen

725