/// Print the names of all environment variables in the scope, with or without shortening, with or
/// without values, with or without escaping
static void print_variables(int include_values, int esc, bool shorten_ok, int scope,
io_streams_t &streams) {
wcstring_list_t names = env_get_names(scope);
sort(names.begin(), names.end());
for (size_t i = 0; i < names.size(); i++) {
const wcstring key = names.at(i);
const wcstring e_key = escape_string(key, 0);
streams.out.append(e_key);
if (include_values) {
env_var_t value = env_get_string(key, scope);
if (!value.missing()) {
int shorten = 0;
if (shorten_ok && value.length() > 64) {
shorten = 1;
value.resize(60);
}
wcstring e_value = esc ? expand_escape_variable(value) : value;
streams.out.append(L" ");
streams.out.append(e_value);
if (shorten) {
streams.out.push_back(ellipsis_char);
}
}
}
streams.out.append(L"\n");
}
}
/// Print the names of all environment variables in the scope. It will include the values unless the
/// `set --list` flag was used.
static int builtin_set_list(const wchar_t *cmd, set_cmd_opts_t &opts, int argc, wchar_t **argv,
parser_t &parser, io_streams_t &streams) {
UNUSED(cmd);
UNUSED(argc);
UNUSED(argv);
UNUSED(parser);
bool names_only = opts.list;
wcstring_list_t names = parser.vars().get_names(compute_scope(opts));
sort(names.begin(), names.end());
for (size_t i = 0; i < names.size(); i++) {
const wcstring key = names.at(i);
const wcstring e_key = escape_string(key, 0);
streams.out.append(e_key);
if (!names_only) {
auto var = parser.vars().get(key, compute_scope(opts));
if (!var.missing_or_empty()) {
bool shorten = false;
wcstring val = expand_escape_variable(*var);
if (opts.shorten_ok && val.length() > 64) {
shorten = true;
val.resize(60);
}
streams.out.append(L" ");
streams.out.append(val);
if (shorten) streams.out.push_back(ellipsis_char);
}
}
streams.out.append(L"\n");
}
return STATUS_CMD_OK;
}
