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diff --git a/lib/cmd/help.sh b/lib/cmd/help.sh
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+# pro-archman
+# lib/cmd/help.sh
+# "help" command
+#
+# Copyright (C) 2013 Patrick "P. J." McDermott
+#
+# This program 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 <http://www.gnu.org/licenses/>.
+
+cmd_summary 'print this help message'
+cmd_usage '[<command>]'
+
+cmd_help_main()
+{
+ if [ ${#} -eq 1 ]; then
+ if is_cmd "${1}"; then
+ return 0
+ fi
+ fi
+
+ printf 'Usage: %s <command>\n\nWhere <command> is one of:\n' "${0}"
+ print_cmd_summaries
+}