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Utilities: Support grepping recursively from paths in the argument

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Previously, the recursive flag always searched for file contents from
the current directory, ignoring the path argument entirely.
This commit is contained in:
Karol Kosek
2021-09-03 21:41:17 +02:00
committed by Ali Mohammad Pur
parent 8cb4fcdbd8
commit 791309a3d2
1 changed files with 12 additions and 4 deletions
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16
Userland/Utilities/grep.cpp
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@@ -50,7 +50,7 @@ int main(int argc, char** argv)
bool colored_output = isatty(STDOUT_FILENO);
Core::ArgsParser args_parser;
args_parser.add_option(recursive, "Recursively scan files starting in working directory", "recursive", 'r');
args_parser.add_option(recursive, "Recursively scan files", "recursive", 'r');
args_parser.add_option(use_ere, "Extended regular expressions", "extended-regexp", 'E');
args_parser.add_option(pattern, "Pattern", "regexp", 'e', "Pattern");
args_parser.add_option(case_insensitive, "Make matches case-insensitive", nullptr, 'i');
@@ -114,6 +114,8 @@ int main(int argc, char** argv)
if (pattern == nullptr && files.size())
pattern = files.take_first();
auto user_has_specified_files = !files.is_empty();
PosixOptions options {};
if (case_insensitive)
options |= PosixFlags::Insensitive;
@@ -168,12 +170,12 @@ int main(int argc, char** argv)
return true;
};
auto add_directory = [&handle_file](String base, Optional<String> recursive, auto handle_directory) -> void {
auto add_directory = [&handle_file, user_has_specified_files](String base, Optional<String> recursive, auto handle_directory) -> void {
Core::DirIterator it(recursive.value_or(base), Core::DirIterator::Flags::SkipDots);
while (it.has_next()) {
auto path = it.next_full_path();
if (!Core::File::is_directory(path)) {
auto key = path.substring_view(base.length() + 1, path.length() - base.length() - 1);
auto key = user_has_specified_files ? path.view() : path.substring_view(base.length() + 1, path.length() - base.length() - 1);
handle_file(key, true);
} else {
handle_directory(base, path, handle_directory);
@@ -204,7 +206,13 @@ int main(int argc, char** argv)
}
} else {
if (recursive) {
add_directory(".", {}, add_directory);
if (user_has_specified_files) {
for (auto& filename : files) {
add_directory(filename, {}, add_directory);
}
} else {
add_directory(".", {}, add_directory);
}
} else {
bool print_filename { files.size() > 1 };