How to exclude files in tar command?

How to exclude files in tar command?

To avoid operating on files whose names match a particular pattern, use the ‘ –exclude ‘ or ‘ –exclude-from ‘ options. Causes tar to ignore files that match the pattern . The ‘ –exclude= pattern ‘ option prevents any file or member whose name matches the shell wildcard ( pattern ) from being operated on.

How do I tar all files except one?

The big gotcha is that the –exclude=’./folder’ MUST be at the beginning of the tar command. Full command (cd first, so backup is relative to that directory): cd /folder_to_backup tar –exclude=’./folder’ –exclude=’./upload/folder2′ -zcvf /backup/filename. tgz .

Does tar follow symlinks?

2 Symbolic Links. When reading from an archive, the ‘ –dereference ‘ (‘ -h ‘) option causes tar to follow an already-existing symbolic link when tar writes or reads a file named in the archive. Ordinarily, tar does not follow such a link, though it may remove the link before writing a new file.

Does Tar include hidden files?

When you create a tar archive of a directory tree the hidden files are normally not included.

Does tar preserve soft links?

We all know how to use tar command. When you use -h with -c, it causes tar to archive the files symbolic links point to, instead of the linking themselves. When this option is used, when tar encounters a symbolic link, it will archive the linked-to file, instead of simply recording the presence of a symbolic link.

How does tar handle hard links?

tar does preserve the hardlinks. This flag represents a file linked to another file, of any type, previously archived. Such files are identified in Unix by each file having the same device and inode number. The linked-to name is specified in the linkname field with a trailing null.

What is CVF in tar command?

1. Creating an uncompressed tar Archive using option -cvf : This command creates a tar file called file. tar which is the Archive of all . c files in current directory.

Why does tar exclude not work on Mac?

This will not work because exclude uses full path where as the target uses a relative path A workaround may be to use a combination of find -prune and tar to exclude the specified directories. On Mac OS X the –exclude option of GNU tar seems to work as it should though.

How to exclude a file in a tarball?

You can check that files are being added rather than the backup overwritten (e.g. after the second command) if you are paranoid by using tar tvf mybackup.tar. The exclude family of parameters apply to the internal relative names of the files in the tarball.

Is it possible to exclude absolute paths in tar?

To exclude absolute paths your tar arguments will differ based on the tar implementation (gnu tar vs. bsd tar) you use:

Why is there no whitespace after last exclude in tar?

Update I implemented my observations based on the link provided in the first answer below (top level dir first, no whitespace after last exclude): But that didn’t help. All “excluded” sub-directories are present in the resulting _data.tar file. This is puzzling.