set -e options as default option

doc/66-env.md

@@ -43,7 +43,7 @@ Lists or replaces an environment variable of a service depending on the options
 
 - **-L** : list defined environment variables for service.
 
-- **-e** : edit the configuration file with `EDITOR` set in your system environment
+- **-e** : edit the configuration file with `EDITOR` set in your system environment. This is the default option if **-L** or **-r** was not passed.
 
 - **-r** *key=value* : override an existing `key=value` pair with the given one. The `key=value` needs to be single quoted in case of multiple arguments.
 

src/lib66/ssexec_env.c

@@ -72,6 +72,8 @@ int ssexec_env(int argc, char const *const *argv,char const *const *envp,ssexec_
 	if (argc < 1) log_usage(usage_env) ;
 	sv = argv[0] ;
 
+	if (!list && !replace && !edit) edit = 1 ;
+
 	treename = !info->opt_tree ? 0 : info->treename.s ;
 
 	if (!src)