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BackupRotator ============= BackupRotator is a program that allows files to be "rotated" with an upper limit on the number of files that exist. Basically, it is given a filename(s) and a number n in a configuration file and it renames the filename(s) such that there it forms an increasing list filename1, filename2, up to the smaller of n or as many as are available. If there are more than n files when the program is run, the oldest files get deleted. Eg: If there are files called log1, log2, log3 and maxNo=3, running the program will delete log3, rename log2 to log3 and rename log1 to log2. Eg: If there are files called log1, log2, log3 and maxNo=0, running the program will rename log2 to log3 and rename log1 to log2. Eg: If there is a file called log1 and maxNo=3, running the program will delete log3, rename log1 to log2. Eg: If there are files called log1, log2 and maxNo=3, running the program will rename log2 to log3 and rename log1 to log2. The config file format is as follows: A line starting with "backupPath=" defines the path to the directory containing the files to be rotated. A line starting with "maxNo=" defines the maximum number of files that may exist at any one time. A line starting with "filename=" defines the generic name of the file to be rotated relative to backupPath. A # indicates the position where the file will be numbered. Eg: filename=myfile# will result files being called myfile1, myfile2, etc. There may be more than one "filename=" line. The rotation will be applied to all filenames. To build: ant To build a jar file: ant jar Usage: java -jar BackupRotator.jar [-h] [--help] [configfile] License: Copyright (C) 2011 Ross Lagerwall <email@example.com> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.