uutils · cakebaker · Oct 2, 2025 · Oct 1, 2025 · Oct 1, 2025 · Oct 2, 2025
diff --git a/src/uu/ptx/src/ptx.rs b/src/uu/ptx/src/ptx.rs
@@ -403,7 +403,7 @@ fn trim_idx(s: &[char], beg: usize, end: usize) -> (usize, usize) {
     while b < e && s[b].is_whitespace() {
         b += 1;
     }
-    while b < e && s[e - 1].is_whitespace() {
+    while beg < e && s[e - 1].is_whitespace() {
         e -= 1;
     }
     (b, e)

diff --git a/tests/by-util/test_ptx.rs b/tests/by-util/test_ptx.rs
@@ -3,14 +3,23 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 // spell-checker:ignore roff
-
+// spell-checker:ignore funnnnnnnnnnnnnnnnn
 use uutests::new_ucmd;
 
 #[test]
 fn test_invalid_arg() {
     new_ucmd!().arg("--definitely-invalid").fails_with_code(1);
 }
 
+#[test]
+fn test_truncation_no_extra_space_in_after() {
+    new_ucmd!()
+        .args(&["-G", "-w", "30"])
+        .pipe_in("Rust is funnnnnnnnnnnnnnnnn")
+        .succeeds()
+        .stdout_contains(".xx \"\" \"Rust\" \"is/\" \"\"");
+}
+
 #[test]
 fn gnu_ext_disabled_rightward_no_ref() {
     new_ucmd!()
-Original file line number
+Diff line change
@@ Expand Up @@
         while b < e && s[b].is_whitespace() {
             b += 1;
         }
-        while b < e && s[e - 1].is_whitespace() {
+        while beg < e && s[e - 1].is_whitespace() {
             e -= 1;
         }
         (b, e)
@@ Expand Down @@