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pkill: Add -x option to only select exact matches

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Tim Ledbetter 2023-06-04 11:40:30 +01:00 • committed by Andreas Kling
parent a253be6abf
commit 69b6c6f62c
1 changed files with 8 additions and 0 deletions
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8
Userland/Utilities/pkill.cpp
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@ -28,6 +28,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
bool display_number_of_matches; bool display_number_of_matches;
bool case_insensitive = false; bool case_insensitive = false;
bool echo = false; bool echo = false;
bool exact_match = false;
StringView pattern; StringView pattern;
HashTable<uid_t> uids_to_filter_by; HashTable<uid_t> uids_to_filter_by;
int signal = SIGTERM; int signal = SIGTERM;
@ -61,6 +62,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
return true; return true;
}, },
}); });
args_parser.add_option(exact_match, "Select only processes whose names match the given pattern exactly", "exact", 'x');
args_parser.add_positional_argument(pattern, "Process name to search for", "process-name"); args_parser.add_positional_argument(pattern, "Process name to search for", "process-name");
args_parser.parse(args); args_parser.parse(args);
@ -71,6 +73,12 @@ ErrorOr<int> serenity_main(Main::Arguments args)
options |= PosixFlags::Insensitive; options |= PosixFlags::Insensitive;
} }
StringBuilder exact_pattern_builder;
if (exact_match) {
exact_pattern_builder.appendff("^({})$", pattern);
pattern = exact_pattern_builder.string_view();
}
Regex<PosixExtended> re(pattern, options); Regex<PosixExtended> re(pattern, options);
if (re.parser_result.error != regex::Error::NoError) { if (re.parser_result.error != regex::Error::NoError) {
return 1; return 1;