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Top Forums UNIX for Dummies Questions & Answers Compress multiple files at one go Post 302300187 by kedar.mehta on Monday 23rd of March 2009 12:28:55 PM
Old 03-23-2009
Tools Compress multiple files at one go

I want to compress all the files which are three years older ..I have thousands of files...

1) This doesnt work
find ./ -type f -mtime +1176 -print | xargs -n1 -i tar -cvf {}
Errror
tar: Missing filenames

Probably because of -
find ./ -type f -mtime -1 -print returns -
"
./temp.txt"
First line is empty, may be that's the problem.

To experiment, i just tried -
"find ./ | grep "txt" | xargs -n1 -i tar -cvf {}"

"find ./ | grep "txt" |" returns no null characters. Still it's NOT working !!

2)
tar -cvf find ./ -type f -mtime +1176 -print

tar -cvf `find ./ -type f -mtime -1`

none of these working.

I get output as -
"a .// 0K
a . 0K
a .//temp.txt 0K
tar: .//find same as archive file
tar: -type: No such file or directory
tar: f: No such file or directory
tar: -mtime: No such file or directory
tar: -1: No such file or directory
tar: -print: No such file or directory"

3) The only thing working is -
"find ./ -type f -mtime +1176 | gzip -c > temp.gz"

It creates temp.gz but I am not sure -- WHETHER THIS WILL WORK WITH THOUSANDS OF FILES OR NOT?

one more problem is i cant unzip the files -
" gzip -dc temp.gz"
Returns me-
"./temp.gz
./find
./temp
./temp2.txt"

but no unzipping happens ! I am stuck !

Envrionment details -
SunOS 5.8
 

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GIT-TAR-TREE(1) 						    Git Manual							   GIT-TAR-TREE(1)

NAME
git-tar-tree - Create a tar archive of the files in the named tree object SYNOPSIS
git tar-tree [--remote=<repo>] <tree-ish> [ <base> ] DESCRIPTION
THIS COMMAND IS DEPRECATED. Use git archive with --format=tar option instead (and move the <base> argument to --prefix=base/). Creates a tar archive containing the tree structure for the named tree. When <base> is specified it is added as a leading path to the files in the generated tar archive. git tar-tree behaves differently when given a tree ID versus when given a commit ID or tag ID. In the first case the current time is used as modification time of each file in the archive. In the latter case the commit time as recorded in the referenced commit object is used instead. Additionally the commit ID is stored in a global extended pax header. It can be extracted using git get-tar-commit-id. OPTIONS
<tree-ish> The tree or commit to produce tar archive for. If it is the object name of a commit object. <base> Leading path to the files in the resulting tar archive. --remote=<repo> Instead of making a tar archive from local repository, retrieve a tar archive from a remote repository. CONFIGURATION
tar.umask This variable can be used to restrict the permission bits of tar archive entries. The default is 0002, which turns off the world write bit. The special value "user" indicates that the archiving user's umask will be used instead. See umask(2) for details. EXAMPLES
git tar-tree HEAD junk | (cd /var/tmp/ && tar xf -) Create a tar archive that contains the contents of the latest commit on the current branch, and extracts it in /var/tmp/junk directory. git tar-tree v1.4.0 git-1.4.0 | gzip >git-1.4.0.tar.gz Create a tarball for v1.4.0 release. git tar-tree v1.4.0^{tree} git-1.4.0 | gzip >git-1.4.0.tar.gz Create a tarball for v1.4.0 release, but without a global extended pax header. git tar-tree --remote=example.com:git.git v1.4.0 >git-1.4.0.tar Get a tarball v1.4.0 from example.com. git tar-tree HEAD:Documentation/ git-docs > git-1.4.0-docs.tar Put everything in the current head's Documentation/ directory into git-1.4.0-docs.tar, with the prefix git-docs/. AUTHOR
Written by Rene Scharfe. DOCUMENTATION
Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org[1]>. GIT
Part of the git(1) suite NOTES
1. git@vger.kernel.org mailto:git@vger.kernel.org Git 1.7.1 07/05/2010 GIT-TAR-TREE(1)
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