diff --git a/Makefile b/Makefile
index b9b5c65..f29aa40 100644
--- a/Makefile
+++ b/Makefile
@@ -1,33 +1,33 @@
-# Universal makefile for single C++ program
-#
-# Use gcc flag -MMD (user) or -MD (user/system) to generate dependencies among source files.
-# Use make default rules for commonly used file-name suffixes and make variables names.
-#
-# % make [ a.out ]
-
-########## Variables ##########
-
-CXX = g++					# compiler
-CXXFLAGS = -std=c++20 -g -Wall -MMD -lncurses -O0			# compiler flags
-MAKEFILE_NAME = ${firstword ${MAKEFILE_LIST}}	# makefile name
-
-SOURCES = $(wildcard src/*.cc)			# source files (*.cc)
-OBJECTS = ${SOURCES:.cc=.o}			# object files forming executable
-DEPENDS = ${OBJECTS:.o=.d}			# substitute ".o" with ".d"
-EXEC	= bin/cc3k					# executable name
-
-########## Targets ##########
-
-.PHONY : clean					# not file names
-
-${EXEC} : ${OBJECTS}				# link step
-	${CXX} ${CXXFLAGS} $^ -o $@		# additional object files before $^
-
-${OBJECTS} : ${MAKEFILE_NAME}			# OPTIONAL : changes to this file => recompile
-
-# make implicitly generates rules to compile C++ files that generate .o files
-
--include ${DEPENDS}				# include *.d files containing program dependences
-
-clean :						# remove files that can be regenerated
-	rm -f ${DEPENDS} ${OBJECTS} ${EXEC}
+# Universal makefile for single C++ program
+#
+# Use gcc flag -MMD (user) or -MD (user/system) to generate dependencies among source files.
+# Use make default rules for commonly used file-name suffixes and make variables names.
+#
+# % make [ a.out ]
+
+########## Variables ##########
+
+CXX = g++					# compiler
+CXXFLAGS = -std=c++20 -g -Wall -MMD -lncurses -O0			# compiler flags
+MAKEFILE_NAME = ${firstword ${MAKEFILE_LIST}}	# makefile name
+
+SOURCES = $(wildcard src/*.cc)			# source files (*.cc)
+OBJECTS = ${SOURCES:.cc=.o}			# object files forming executable
+DEPENDS = ${OBJECTS:.o=.d}			# substitute ".o" with ".d"
+EXEC	= bin/cc3k					# executable name
+
+########## Targets ##########
+
+.PHONY : clean					# not file names
+
+${EXEC} : ${OBJECTS}				# link step
+	${CXX} ${CXXFLAGS} $^ -o $@		# additional object files before $^
+
+${OBJECTS} : ${MAKEFILE_NAME}			# OPTIONAL : changes to this file => recompile
+
+# make implicitly generates rules to compile C++ files that generate .o files
+
+-include ${DEPENDS}				# include *.d files containing program dependences
+
+clean :						# remove files that can be regenerated
+	rm -f ${DEPENDS} ${OBJECTS} ${EXEC}
diff --git a/src/console_input.cc b/src/console_input.cc
index 69cafc6..e7d2a2c 100644
--- a/src/console_input.cc
+++ b/src/console_input.cc
@@ -10,21 +10,26 @@ game_command console_input::get_command() {
         in >> cmd;
         game_command tmp;
 
+        if (in.eof())
+                return game_command_terminate;
+
         if (cmd == "q")
                 return game_command_terminate;
         else if (cmd == "f")
                 return the_world;
         else if (cmd == "r")
                 return game_restart;
-        else if (cmd == "u")
+        else if (cmd == "u" || cmd == "a") {
+                in >> cmd;
+
+                if (in.eof())
+                        return game_command_panic;
+
                 return (game_command)((tmp = get_direction(cmd)) ==
                                       game_command_panic
-                                      ? tmp : tmp - move_north + apply_north);
-        else if (cmd == "a")
-                return (game_command)((tmp = get_direction(cmd)) ==
-                                      game_command_panic
-                                      ? tmp : tmp - move_north + attack_north);
-        else // is just moving
+                                      ? tmp : tmp - move_north +
+                                      (cmd == "u" ? apply_north : attack_north));
+        } else // is just moving
                 return get_direction(cmd);
 
         return game_command_pass;
diff --git a/src/file_input.cc b/src/file_input.cc
index 745df64..54600e0 100644
--- a/src/file_input.cc
+++ b/src/file_input.cc
@@ -10,21 +10,26 @@ game_command file_input::get_command() {
         in >> cmd;
         game_command tmp;
 
+        if (in.eof())
+                return game_command_terminate;
+
         if (cmd == "q")
                 return game_command_terminate;
         else if (cmd == "f")
                 return the_world;
         else if (cmd == "r")
                 return game_restart;
-        else if (cmd == "u")
+        else if (cmd == "u" || cmd == "a") {
+                in >> cmd;
+
+                if (in.eof())
+                        return game_command_panic;
+
                 return (game_command)((tmp = get_direction(cmd)) ==
                                       game_command_panic
-                                      ? tmp : tmp - move_north + apply_north);
-        else if (cmd == "a")
-                return (game_command)((tmp = get_direction(cmd)) ==
-                                      game_command_panic
-                                      ? tmp : tmp - move_north + attack_north);
-        else // is just moving
+                                      ? tmp : tmp - move_north +
+                                      (cmd == "u" ? apply_north : attack_north));
+        } else // is just moving
                 return get_direction(cmd);
 
         return game_command_pass;
diff --git a/tools/compile b/tools/compile
old mode 100755
new mode 100644
index 5a24514..92ad5b9
--- a/tools/compile
+++ b/tools/compile
@@ -1,25 +1,25 @@
-#!/bin/bash
-# Use this script to compile your .cc files in dependency order
-
-# Arguments:
-#   $1 = name of file containing list of .cc files
-#   $2 = name of the output file
-
-cxx="g++-11"
-cxxflags="-std=c++20 -fmodules-ts -Wall -g"
-
-if [ $# -lt 1 ]; then
-  echo "Usage:  $0 list-filename [output-name]" 1>&2
-  exit 1
-fi
-
-if [ $# -eq 2 ]; then
-  name="-o $2"
-fi
-
-for x in $(cat $1); do
-  $cxx $cxxflags -c $x
-done
-
-$cxx *.o $name
-
+#!/bin/bash
+# Use this script to compile your .cc files in dependency order
+
+# Arguments:
+#   $1 = name of file containing list of .cc files
+#   $2 = name of the output file
+
+cxx="g++-11"
+cxxflags="-std=c++20 -fmodules-ts -Wall -g"
+
+if [ $# -lt 1 ]; then
+  echo "Usage:  $0 list-filename [output-name]" 1>&2
+  exit 1
+fi
+
+if [ $# -eq 2 ]; then
+  name="-o $2"
+fi
+
+for x in $(cat $1); do
+  $cxx $cxxflags -c $x
+done
+
+$cxx *.o $name
+
diff --git a/tools/produceOutputs b/tools/produceOutputs
old mode 100755
new mode 100644
diff --git a/tools/runSuite b/tools/runSuite
old mode 100755
new mode 100644