NAME

App::corruptor - Corrupt files by writing random bytes/blocks to them

VERSION

This document describes version 0.002 of App::corruptor (from Perl distribution App-corruptor), released on 2021-05-25.

FUNCTIONS

corruptor

Usage:

 corruptor(%args) -> [$status_code, $reason, $payload, \%result_meta]

Corrupt files by writing random bytes/blocks to them.

Examples:

  • Corrupt two files by writing 1% random bytes:

     corruptor( files => ["disk.img", "disk2.img"], proportion => "1%");

This utility can be used in disk/filesystem testing. It corrupts files by writing random bytes/blocks to them.

This function is not exported.

This function supports dry-run operation.

Arguments ('*' denotes required arguments):

  • files* => array[filename]

  • proportion* => percent

    How much random data is written as proportion of file size (in percent).

Special arguments:

  • -dry_run => bool

    Pass -dry_run=>1 to enable simulation mode.

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element ($reason) is a string containing error message, or "OK" if status is 200. Third element ($payload) is optional, the actual result. Fourth element (%result_meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/App-corruptor.

SOURCE

Source repository is at https://github.com/perlancar/perl-App-corruptor.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=App-corruptor

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

SEE ALSO

http://jrs-s.net/2016/05/09/testing-copies-equals-n-resiliency/.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2021 by perlancar@cpan.org.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.