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basename: Support suffix stripping

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Allow passing an optional suffix argument to `basename` which is then
stripped from the resulting basename (unless the resulting basename is
identical to the suffix.)

https://pubs.opengroup.org/onlinepubs/9699919799/utilities/basename.html
This commit is contained in:
Andreas Kling 2021-06-01 09:05:15 +02:00
parent 313e53dca0
commit 9388cf327f
Notes: sideshowbarker 2024-07-18 17:05:07 +09:00
1 changed files with 9 additions and 3 deletions
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12
Userland/Utilities/basename.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -16,12 +16,18 @@ int main(int argc, char** argv)
return 1;
}
const char* path = nullptr;
StringView path;
StringView suffix;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(path, "Path to get basename from", "path");
args_parser.add_positional_argument(suffix, "Suffix to strip from name", "suffix", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
printf("%s\n", LexicalPath(path).basename().characters());
auto basename = LexicalPath(path).basename();
if (!suffix.is_null() && basename.length() != suffix.length() && basename.ends_with(suffix))
outln("{}", basename.substring_view(0, basename.length() - suffix.length()));
else
outln("{}", basename);
return 0;
}