auto acp scripted

Makefile

 # 	MYVARIABLE="$(cat arg_etest.txt)"
 # 	MYVARIABLE=$("cat arg_etest.txt")
 # 	MYVARIABLE="$(echo "mv123")z"
-	set MYVARIABLE = "z"
+	declare MYVARIABLE = "z"
 # 	MYVARIABLE=cat arg_etest.txt
 
 # 	$(./arg_etest.sh)