uniq: use helper function for file creation

Author: sylvestre

src/uu/uniq/Cargo.toml

@@ -20,7 +20,7 @@ path = "src/uniq.rs"
 
 [dependencies]
 clap = { workspace = true }
-uucore = { workspace = true, features = ["parser"] }
+uucore = { workspace = true, features = ["parser", "fs"] }
 fluent = { workspace = true }
 
 [dev-dependencies]

src/uu/uniq/src/uniq.rs

@@ -14,6 +14,7 @@ use std::num::IntErrorKind;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult, USimpleError};
 use uucore::format_usage;
+use uucore::fs::create_file_restrictive_perm;
 use uucore::parser::shortcut_value_parser::ShortcutValueParser;
 use uucore::posix::{OBSOLETE, posix_version};
 use uucore::translate;
@@ -824,7 +825,7 @@ fn open_input_file(in_file_name: Option<&OsStr>) -> UResult<Box<dyn BufRead>> {
 fn open_output_file(out_file_name: Option<&OsStr>) -> UResult<Box<dyn Write>> {
     Ok(match out_file_name {
         Some(path) if path != "-" => {
-            let out_file = File::create(path).map_err_context(
+            let out_file = create_file_restrictive_perm(path, true).map_err_context(
                 || translate!("uniq-error-could-not-open", "path" => path.maybe_quote()),
             )?;
             Box::new(BufWriter::with_capacity(OUTPUT_BUFFER_CAPACITY, out_file))