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Appendix F Genfile

This appendix describes genfile, an auxiliary program used in the GNU tar testsuite. If you are not interested in developing GNU tar, skip this appendix.

Initially, genfile was used to generate data files for the testsuite, hence its name. However, new operation modes were being implemented as the testsuite grew more sophisticated, and now genfile is a multi-purpose instrument.

There are four basic operation modes:

File Generation: This is the default mode. In this mode, genfile generates data files.
File Status: In this mode genfile displays status of specified files.
Set File Time: Set last access and modification times of files given in the command line.
Synchronous Execution.: In this mode genfile executes the given program with ‘--checkpoint’ option and executes a set of actions when specified checkpoints are reached.

F.1 Generate Mode File Generation Mode.

F.2 Status Mode File Status Mode.

F.3 Set File Time Set File Time Mode.

F.4 Exec Mode Synchronous Execution Mode.

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