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https://github.com/pine/p5-text-diff-unified-xs
:dash: The fast Text::Diff module implemented by XS
https://github.com/pine/p5-text-diff-unified-xs
Last synced: 26 days ago
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:dash: The fast Text::Diff module implemented by XS
- Host: GitHub
- URL: https://github.com/pine/p5-text-diff-unified-xs
- Owner: pine
- License: mit
- Created: 2016-12-20T07:55:50.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2019-05-29T09:25:50.000Z (over 5 years ago)
- Last Synced: 2024-04-15T15:34:33.311Z (7 months ago)
- Language: C
- Homepage: https://metacpan.org/pod/Text::Diff::Unified::XS
- Size: 84 KB
- Stars: 5
- Watchers: 4
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: Changes
- License: LICENSE
Awesome Lists containing this project
README
[](https://travis-ci.org/pine/p5-Text-Diff-Unified-XS)
# NAME
Text::Diff::Unified::XS - The fast Text::Diff module
# SYNOPSIS
```perl
use Text::Diff::Unified::XS;
my $diff = diff 'file1.txt', 'file2.txt';
my $diff = diff \$string1, \$string2;
```
# DESCRIPTION
Text::Diff::Unified::XS is the fast [Text::Diff](https://metacpan.org/pod/Text::Diff) module implemented by XS.
# METHODS
Please be careful that, the module supports only unified format.
```
@@ -2,13 +2,13 @@
2
3
4
-5d
+5a
6
7
8
9
+9a
10
11
-11d
12
13
```
## `diff($file_a, $file_b)`
Generate the difference between `$file_a` and `$file_b` in unified format.
## `diff(\$string_a, \$string_b)`
Generate the difference between `\$string_a` and `\$string_b` in unified format.
# BENCHMARK
Text::Diff::Unified::XS is about 500 % faster than Text::Diff.
```
Benchmark: running PP, XS for at least 10 CPU seconds...
PP: 10 wallclock secs (10.73 usr + 0.05 sys = 10.78 CPU) @ 63.73/s (n=687)
XS: 10 wallclock secs ( 8.90 usr + 1.11 sys = 10.01 CPU) @ 409.29/s (n=4097)
Rate PP XS
PP 63.7/s -- -84%
XS 409/s 542% --
```
# LICENSE
(The MIT license)
Copyright (c) 2016-2019 Pine Mizune
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# AUTHOR
Pine Mizune