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ls: Add -A flag to show dot files excluding implied . and .. directories

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This commit is contained in:
Brendan Coles 2020-11-10 04:13:46 +00:00 • committed by Andreas Kling
parent 07a2d22c33
commit 51f49ec73f
1 changed files with 31 additions and 2 deletions
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33
Userland/ls.cpp
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@ -54,6 +54,7 @@ static int do_file_system_object_short(const char* path);
static bool flag_colorize = false;
static bool flag_long = false;
static bool flag_show_dotfiles = false;
static bool flag_show_almost_all_dotfiles = false;
static bool flag_show_inode = false;
static bool flag_print_numeric = false;
static bool flag_human_readable = false;
@ -97,6 +98,7 @@ int main(int argc, char** argv)
Core::ArgsParser args_parser;
args_parser.add_option(flag_show_dotfiles, "Show dotfiles", "all", 'a');
args_parser.add_option(flag_show_almost_all_dotfiles, "Do not list implied . and .. directories", nullptr, 'A');
args_parser.add_option(flag_long, "Display long info", "long", 'l');
args_parser.add_option(flag_sort_by_timestamp, "Sort files by timestamp", nullptr, 't');
args_parser.add_option(flag_reverse_sort, "Reverse sort order", "reverse", 'r');
@ -108,6 +110,9 @@ int main(int argc, char** argv)
args_parser.add_positional_argument(paths, "Directory to list", "path", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
if (flag_show_almost_all_dotfiles)
flag_show_dotfiles = true;
if (flag_long) {
setpwent();
for (auto* pwd = getpwent(); pwd; pwd = getpwent())
@ -332,8 +337,19 @@ static int do_file_system_object_long(const char* path)
FileMetadata metadata;
metadata.name = di.next_path();
ASSERT(!metadata.name.is_empty());
if (metadata.name[0] == '.' && !flag_show_dotfiles)
continue;
if (metadata.name[0] == '.') {
if (!flag_show_dotfiles)
continue;
if (flag_show_almost_all_dotfiles) {
// skip '.' and '..' directories
if (metadata.name.length() == 1)
continue;
if (metadata.name.length() == 2 && metadata.name[1] == '.')
continue;
}
}
StringBuilder builder;
builder.append(path);
builder.append('/');
@ -403,6 +419,19 @@ int do_file_system_object_short(const char* path)
size_t longest_name = 0;
while (di.has_next()) {
String name = di.next_path();
if (name[0] == '.') {
if (!flag_show_dotfiles)
continue;
if (flag_show_almost_all_dotfiles) {
// skip '.' and '..' directories
if (name.length() == 1)
continue;
if (name.length() == 2 && name[1] == '.')
continue;
}
}
names.append(name);
if (names.last().length() > longest_name)
longest_name = name.length();