feat: log cmd group

SOURCES/main/cmdgrp/log/cat

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# kf2-srv is a command line tool for managing a set of Killing Floor 2 servers.
+# Copyright (C) 2019, 2020 GenZmeY
+# mailto: genzmey@gmail.com
+# 
+# This file is part of kf2-srv.
+#
+# kf2-srv is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+cmd_need_superuser        () { false ;}
+cmd_need_steamuser        () { false ;}
+cmd_need_installed_server () { true  ;}
+
+function cmd_usage ()
+{
+	echo "[<instance>...]"
+}
+
+function cmd_info ()
+{
+	echo "Print in stdout full log of specified server instance(s)"
+}
+
+function cmd_help ()
+{
+	echo "TODO: description"
+}
+
+function cmd_main ()
+{
+	include "$LibDir/log.lib"
+	
+	log_cat "$@"
+}
+