Merge pull request #4918 from shinhs0506/core-size

shred: add support for octal and hex size

tests/by-util/test_head.rs

@@ -189,6 +189,15 @@ fn test_no_such_file_or_directory() {
         .stderr_contains("cannot open 'no_such_file.toml' for reading: No such file or directory");
 }
 
+#[test]
+fn test_lines_leading_zeros() {
+    new_ucmd!()
+        .arg("--lines=010")
+        .pipe_in("\n\n\n\n\n\n\n\n\n\n\n\n")
+        .succeeds()
+        .stdout_is("\n\n\n\n\n\n\n\n\n\n");
+}
+
 /// Test that each non-existent files gets its own error message printed.
 #[test]
 fn test_multiple_nonexistent_files() {

tests/by-util/test_shred.rs

@@ -51,3 +51,14 @@ fn test_shred_force() {
     // file_a was deleted.
     assert!(!at.file_exists(file));
 }
+
+#[test]
+fn test_hex() {
+    let (at, mut ucmd) = at_and_ucmd!();
+
+    let file = "test_hex";
+
+    at.touch(file);
+
+    ucmd.arg("--size=0x10").arg(file).succeeds();
+}