Fix Super-Linter Bash linting errors

build-linux.sh

@@ -32,28 +32,25 @@ sources=(
 # Compile each source file into an object file
 for src in "${sources[@]}"; do
 	echo "Compiling $src..."
-	gcc -c "$src" -o "${src%.c}.o"
-	if [ $? -ne 0 ]; then
+	if ! gcc -c "$src" -o "${src%.c}.o"; then
 		echo "Error: Compilation failed for $src"
 		exit 1
 	fi
 done
 
 # Link all object files into the final executable
 echo "Linking object files..."
-gcc -o "$output" *.o
-if [ $? -ne 0 ]; then
+if ! gcc -o "$output" ./*.o; then
 	echo "Error: Linking failed"
 	exit 1
 fi
 
 # Clean up object files (optional)
-# rm *.o
+# rm ./*.o
 
 # Run the executable with the provided argument
 echo "Running the executable..."
-./"$output" ../example/test6.salam ../out/
-if [ $? -ne 0 ]; then
+if ! ./"$output" ../example/test6.salam ../out/; then
 	echo "Error: Execution failed"
 	exit 1
 fi