Merge pull request #712 from ldorau/Fix_comparing_strings_in_bash

Fix comparing strings in bash

Author: lukaszstolarczuk

test/test_examples.sh

@@ -17,7 +17,7 @@ function print_usage() {
 	echo "Usage: $(basename $0) <source_dir> <build_dir> <install_dir> <CMAKE_INSTALL_PREFIX> <list-of-examples-to-run>"
 }
 
-if [ "$5" == "" ]; then
+if [ "$5" = "" ]; then
 	print_usage
 	echo -e "Error: too few arguments\n"
 	exit 1

test/test_valgrind.sh

@@ -20,7 +20,7 @@ if ! valgrind --version > /dev/null; then
 	exit 1
 fi
 
-if [ "$3" == "" ]; then
+if [ "$3" = "" ]; then
 	echo -e "error: too few arguments\n"
 	print_usage
 	exit 1