pidof: Add -S option to specify a pid separator

This is useful for commands which expect a comma-separated list of
pids.
This commit is contained in:
Tim Ledbetter 2023-05-14 06:06:11 +01:00 committed by Andreas Kling
parent 8be7b16c42
commit fac6c6c554

View file

@ -17,6 +17,7 @@ struct Options {
bool single_shot { false };
Optional<pid_t> pid_to_omit;
StringView process_name;
StringView pid_separator { " "sv };
};
static ErrorOr<int> pid_of(Options const& options)
@ -29,7 +30,11 @@ static ErrorOr<int> pid_of(Options const& options)
if (it.name != options.process_name || options.pid_to_omit == it.pid)
continue;
out(displayed_at_least_one ? " {}"sv : "{}"sv, it.pid);
if (displayed_at_least_one)
out("{}{}"sv, options.pid_separator, it.pid);
else
out("{}"sv, it.pid);
displayed_at_least_one = true;
if (options.single_shot)
@ -75,6 +80,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
},
});
args_parser.add_option(options.single_shot, "Only return one pid", nullptr, 's');
args_parser.add_option(options.pid_separator, "Use `separator` to separate multiple pids", nullptr, 'S', "separator");
args_parser.add_positional_argument(options.process_name, "Process name to search for", "process-name");
args_parser.parse(args);