07-23-2011
How to compare a file by its timestamp and store in a different location whenever timestamp changes?
Hi All,
I am new to unix programming. I am trying for a requirement and the requirement goes like this.....
I have a test folder. Which tracks log files. After certain time, the log file is getting overwritten by another file (randomly as the time interval is not periodic). I need to preserve all the log files in a different folder with the timestamp before it gets overwritten.
Ex:
The log file contents and size varies with time
test/test1.log - 07/22/2011 13:01:11 ; 2 MB
test/test1.log - 07/22/2011 13:27:12 ; 2 MB
test/test1.log - 07/22/2011 14:27:09 ; 1.5 MB
I need to create a archive folder and preserve all these 3 files with their time stamp.
archive/test1.log_20110722130111
archive/test1.log_20110722132712
archive/test1.log_20110722142709
Any help on this is highly appreciated..
-Saravana
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LEARN ABOUT DEBIAN
bup-restore
bup-restore(1) General Commands Manual bup-restore(1)
NAME
bup-restore - extract files from a backup set
SYNOPSIS
bup restore [--outdir=outdir] [-v] [-q]
DESCRIPTION
bup restore extracts files from a backup set (created with bup-save(1)) to the local filesystem.
The specified paths are of the form /branch/revision/path/to/file. The components of the path are as follows:
branch the name of the backup set to restore from; this corresponds to the --name (-n) option to bup save.
revision
the revision of the backup set to restore. The revision latest is always the most recent backup on the given branch. You can dis-
cover other revisions using bup ls /branch.
/path/to/file
the original absolute filesystem path to the file you want to restore. For example, /etc/passwd.
Note: if the /path/to/file is a directory, bup restore will restore that directory as well as recursively restoring all its contents.
If /path/to/file is a directory ending in a slash (ie. /path/to/dir/), bup restore will restore the children of that directory directly to
the current directory (or the --outdir). If the directory does not end in a slash, the children will be restored to a subdirectory of the
current directory. See the EXAMPLES section to see how this works.
OPTIONS
-C, --outdir=outdir
create and change to directory outdir before extracting the files.
-v, --verbose
increase log output. Given once, prints every directory as it is restored; given twice, prints every file and directory.
-q, --quiet
don't show the progress meter. Normally, is stderr is a tty, a progress display is printed that shows the total number of files
restored.
EXAMPLE
Create a simple test backup set:
$ bup index -u /etc
$ bup save -n mybackup /etc/passwd /etc/profile
Restore just one file:
$ bup restore /mybackup/latest/etc/passwd
Restoring: 1, done.
$ ls -l passwd
-rw-r--r-- 1 apenwarr apenwarr 1478 2010-09-08 03:06 passwd
Restore the whole directory (no trailing slash):
$ bup restore -C test1 /mybackup/latest/etc
Restoring: 3, done.
$ find test1
test1
test1/etc
test1/etc/passwd
test1/etc/profile
Restore the whole directory (trailing slash):
$ bup restore -C test2 /mybackup/latest/etc/
Restoring: 2, done.
$ find test2
test2
test2/passwd
test2/profile
SEE ALSO
bup-save(1), bup-ftp(1), bup-fuse(1), bup-web(1)
BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown- bup-restore(1)