escape env var

irobot_benchmark/comms_benchmark/scripts/run_all_benchmarks.sh

@@ -24,10 +24,9 @@ print_help() {
   echo "  3. Parsing includes: (Uses python3 & dependencies)"
   echo "     - Comparing CPU and memory usage (compare_cpu_memory.py)."
   echo "     - Comparing latency metrics (compare_latency.py)."
-  echo "     - run 'pip3 install pandas numpy matplotlib' to install dependencies"
   echo
   echo "Example:"
-  echo "  sudo env LD_LIBRARY_PATH=$LD_LIBRARY_PATH $0 10            Run benchmarks with TEST_DURATION=10 seconds."
+  echo "  sudo env LD_LIBRARY_PATH=\$LD_LIBRARY_PATH $0 10            Run benchmarks with TEST_DURATION=10 seconds."
   echo
   echo "Needed because sudo resets LD_LIBRARY_PATH, breaking shared library access."
   echo
@@ -42,7 +41,7 @@ fi
 # Check if the script is run as root
 if [[ $EUID -ne 0 ]]; then
   echo "You must run this script with sudo or as root."
-  echo "Usage: sudo env LD_LIBRARY_PATH=$LD_LIBRARY_PATH $0 [arguments]"
+  echo "Usage: sudo env LD_LIBRARY_PATH=\$LD_LIBRARY_PATH $0 [arguments]"
   exit 1
 fi
 
@@ -109,3 +108,4 @@ echo "  python3 parse-results/compare_cpu_memory.py $results_dir --plot"
 echo "  python3 parse-results/compare_latency.py $results_dir --plot"
 echo
 echo "Remove --plot if no plot is needed."
+echo "If not already done, run 'pip3 install pandas numpy matplotlib' to install dependencies"