using a pipe and avoiding the use of the stdin file descriptor

SC2095.md

@@ -30,6 +30,19 @@ uptime
 EOF
 done < hosts.txt
 ```
+or
+
+By using a pipe and avoiding the use of the stdin file descriptor, this ensures that commands in the loop are not interfered with.
+
+```sh
+exec 3< hosts.txt
+while read -r host
+do
+  ssh "$host" "uptime"
+done <&3
+# Close the file descriptor
+exec 3<&-
+```
 
 ### Rationale: