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Zip/Tar file compressed to larger size?

What does size of a directory mean in output of 'ls -l' command?Is there a command to list the compressed file sizes for files within a .zip file?Why can't tar extract .zip files?Unpack file compressed in .txz and .tar with one commandBash script to get the result from rsync transfer and zip it as a directory in the original directorytar extract into directory with same base name?why would you tar a zip fileWhy does `zip` in a for loop work when the file exists, but not when it doesn't?rsync-like updating of archive filetar: Potential bug (?) when incremental archive selected - Deleting files in the targetzip command show warnings “name not matched” about symlinks, outside of my working directory, pointing to non-existing target

I have 4 files that I want to include them in a .zip file.

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

As you can see in total they size 32K.

After

I am creating the zip using the command bellow:

zip -r myfiles.zip *

The file was created successfully but now its size is 20M, as you can see bellow!

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
-rw-rw-r-- 1 skemelio themelis 20M Απρ 4 02:00 myfiles.zip
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

What I've done wrong?

ps: Same thing (same size) happened when I try to create a .tar using tar cvf myfiles.tar *.

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

1

A individual directory always shows the 4k size when viewed with ls - what you want to use to check before is du - ie, du -sh *

– ivanivan
5 hours ago

1

Ok I had no idea why this happens but you are right. Why don't you make it an answer?

– Themelis
5 hours ago

1

Possible duplicate of What does size of a directory mean in output of 'ls -l' command?

– Fabby
4 hours ago

FYI, 4K * 4 = 16K, not 32K. Also, in this case this is due to a misunderstanding of the size that ls reports for directories (that each directory was the exactly the same size should have been a hint that maybe ls isn't reporting what you think), but in general you should not necessarily be surprised if compression sometimes produces a larger file. Compression can't compress everything; otherwise you could repeatedly run zip on a .zip file to get increasingly smaller files.

– jamesdlin
3 mins ago

add a comment |

I have 4 files that I want to include them in a .zip file.

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

As you can see in total they size 32K.

After

I am creating the zip using the command bellow:

zip -r myfiles.zip *

The file was created successfully but now its size is 20M, as you can see bellow!

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
-rw-rw-r-- 1 skemelio themelis 20M Απρ 4 02:00 myfiles.zip
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

What I've done wrong?

ps: Same thing (same size) happened when I try to create a .tar using tar cvf myfiles.tar *.

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

1

A individual directory always shows the 4k size when viewed with ls - what you want to use to check before is du - ie, du -sh *

– ivanivan
5 hours ago

1

Ok I had no idea why this happens but you are right. Why don't you make it an answer?

– Themelis
5 hours ago

1

Possible duplicate of What does size of a directory mean in output of 'ls -l' command?

– Fabby
4 hours ago

FYI, 4K * 4 = 16K, not 32K. Also, in this case this is due to a misunderstanding of the size that ls reports for directories (that each directory was the exactly the same size should have been a hint that maybe ls isn't reporting what you think), but in general you should not necessarily be surprised if compression sometimes produces a larger file. Compression can't compress everything; otherwise you could repeatedly run zip on a .zip file to get increasingly smaller files.

– jamesdlin
3 mins ago

add a comment |

I have 4 files that I want to include them in a .zip file.

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

As you can see in total they size 32K.

After

I am creating the zip using the command bellow:

zip -r myfiles.zip *

The file was created successfully but now its size is 20M, as you can see bellow!

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
-rw-rw-r-- 1 skemelio themelis 20M Απρ 4 02:00 myfiles.zip
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

What I've done wrong?

ps: Same thing (same size) happened when I try to create a .tar using tar cvf myfiles.tar *.

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

I have 4 files that I want to include them in a .zip file.

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

As you can see in total they size 32K.

After

I am creating the zip using the command bellow:

zip -r myfiles.zip *

The file was created successfully but now its size is 20M, as you can see bellow!

drwxr-xr-x 7 skemelio themelis 4,0K Οκτ 18 00:21 CSharp
drwxr-xr-x 11 skemelio themelis 4,0K Οκτ 18 00:17 gnome-games
drwxr-xr-x 8 skemelio themelis 4,0K Οκτ 18 00:17 gnome-music
-rw-rw-r-- 1 skemelio themelis 20M Απρ 4 02:00 myfiles.zip
drwxr-xr-x 4 skemelio themelis 4,0K Οκτ 18 00:18 Test

What I've done wrong?

ps: Same thing (same size) happened when I try to create a .tar using tar cvf myfiles.tar *.

tar zip compression

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

edited 3 hours ago

Rui F Ribeiro

41.9k1483142

asked 5 hours ago

Themelis

1163

New contributor

asked 5 hours ago

Themelis

1163

asked 5 hours ago

Themelis

1163

New contributor

Themelis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

1

A individual directory always shows the 4k size when viewed with ls - what you want to use to check before is du - ie, du -sh *

– ivanivan
5 hours ago

1

Ok I had no idea why this happens but you are right. Why don't you make it an answer?

– Themelis
5 hours ago

1

Possible duplicate of What does size of a directory mean in output of 'ls -l' command?

– Fabby
4 hours ago

FYI, 4K * 4 = 16K, not 32K. Also, in this case this is due to a misunderstanding of the size that ls reports for directories (that each directory was the exactly the same size should have been a hint that maybe ls isn't reporting what you think), but in general you should not necessarily be surprised if compression sometimes produces a larger file. Compression can't compress everything; otherwise you could repeatedly run zip on a .zip file to get increasingly smaller files.

– jamesdlin
3 mins ago

add a comment |

1

A individual directory always shows the 4k size when viewed with ls - what you want to use to check before is du - ie, du -sh *

– ivanivan
5 hours ago

1

Ok I had no idea why this happens but you are right. Why don't you make it an answer?

– Themelis
5 hours ago

1

Possible duplicate of What does size of a directory mean in output of 'ls -l' command?

– Fabby
4 hours ago

FYI, 4K * 4 = 16K, not 32K. Also, in this case this is due to a misunderstanding of the size that ls reports for directories (that each directory was the exactly the same size should have been a hint that maybe ls isn't reporting what you think), but in general you should not necessarily be surprised if compression sometimes produces a larger file. Compression can't compress everything; otherwise you could repeatedly run zip on a .zip file to get increasingly smaller files.

– jamesdlin
3 mins ago

A individual directory always shows the 4k size when viewed with ls - what you want to use to check before is du - ie, du -sh *

– ivanivan
5 hours ago

Ok I had no idea why this happens but you are right. Why don't you make it an answer?

– Themelis
5 hours ago

Possible duplicate of What does size of a directory mean in output of 'ls -l' command?

– Fabby
4 hours ago

FYI, 4K * 4 = 16K, not 32K. Also, in this case this is due to a misunderstanding of the size that ls reports for directories (that each directory was the exactly the same size should have been a hint that maybe ls isn't reporting what you think), but in general you should not necessarily be surprised if compression sometimes produces a larger file. Compression can't compress everything; otherwise you could repeatedly run zip on a .zip file to get increasingly smaller files.

– jamesdlin
3 mins ago

add a comment |

1 Answer
1

active

oldest

votes

An individual directory always shows a false size when viewed with ls - what you want to use to check before is du - ie, du -sh *.

A good explanation of what the size of a directory means is on this Q&A - What does size of a directory mean in output of 'ls -l' command?

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

add a comment |

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An individual directory always shows a false size when viewed with ls - what you want to use to check before is du - ie, du -sh *.

A good explanation of what the size of a directory means is on this Q&A - What does size of a directory mean in output of 'ls -l' command?

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

add a comment |

An individual directory always shows a false size when viewed with ls - what you want to use to check before is du - ie, du -sh *.

A good explanation of what the size of a directory means is on this Q&A - What does size of a directory mean in output of 'ls -l' command?

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

add a comment |

An individual directory always shows a false size when viewed with ls - what you want to use to check before is du - ie, du -sh *.

A good explanation of what the size of a directory means is on this Q&A - What does size of a directory mean in output of 'ls -l' command?

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

An individual directory always shows a false size when viewed with ls - what you want to use to check before is du - ie, du -sh *.

A good explanation of what the size of a directory means is on this Q&A - What does size of a directory mean in output of 'ls -l' command?

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

edited 1 hour ago

slm♦

255k71539687

edited 1 hour ago

slm♦

255k71539687

edited 1 hour ago

slm♦

255k71539687

answered 4 hours ago

ivanivan

3,7571414

answered 4 hours ago

ivanivan

3,7571414

answered 4 hours ago

ivanivan

3,7571414

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

add a comment |

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

The size show by ls for a directory is not false, it is the size of the directory. However the size of a directory is related to the number of entries in it (possibly the largest number it every had), not the size of those entries.

– icarus
39 mins ago

add a comment |

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