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-rw-r--r--src/cmd/help.sh47
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diff --git a/src/cmd/help.sh b/src/cmd/help.sh
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+++ b/src/cmd/help.sh
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+# "help" command
+#
+# Copyright (C) 2013 Patrick "P. J." McDermott
+#
+# This file is part of the ProteanOS Development Kit.
+#
+# The ProteanOS Development Kit 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.
+#
+# The ProteanOS Development Kit 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 the ProteanOS Development Kit. If not, see
+# <http://www.gnu.org/licenses/>.
+
+cmd_help_main()
+{
+ local cmd=
+
+ if [ ${#} -eq 1 ]; then
+ cmd="${1}"
+ if is_cmd "${cmd}"; then
+ print_cmd_usage "${cmd}"
+ return 0
+ fi
+ fi
+
+ printf "$(get_msg 'cmd_help_head')\n\n" "${0}"
+
+ printf "$(get_msg 'cmd_help_opts_head')\n"
+ print_opt_summaries
+ printf '\n'
+
+ printf "$(get_msg 'cmd_help_summary_head')\n"
+ print_cmd_summaries
+}
+
+cmd_help_register()
+{
+ register_cmd 'help'
+}
+__init cmd_help_register