diff --git a/src/sshare/logger.py b/src/sshare/logger.py
index 7901d4c..60d804c 100644
--- a/src/sshare/logger.py
+++ b/src/sshare/logger.py
@@ -18,15 +18,12 @@ from sshare.plugin import Plugin
 
 class Logger:
     def __init__(self, *args, **kwargs):
-        if kwargs.get("command_line"):
-            self._loggers = [ kwargs["command_line"] ]
-        else:
-            self._loggers = []
+        self._loggers = []
         self.add(*args)
 
     def add(self, *args, **kwargs):
         for logger in args:
-            self._loggers.append()
+            self._loggers.append(logger)
 
     def info(self, message):
         for logger in self._loggers:
diff --git a/src/sshare/main.py b/src/sshare/main.py
index cb0812d..023480a 100644
--- a/src/sshare/main.py
+++ b/src/sshare/main.py
@@ -67,9 +67,10 @@ def main():
         config["config"],
         config["flags"],
     )
-    logger = Logger(command_line=command_line)
+    logger = Logger(command_line)
+    plugin_types = [ "logger", "source", "name", "upload", "location", "feedback" ]
     plugins = PluginManager(
-        [ "logger", "source", "name", "upload", "location", "feedback" ],
+        plugin_types,
         logger,
         config["config"],
         config["flags"],
@@ -78,6 +79,7 @@ def main():
     plugins.add_from(
         Plugin.internal(INTERNAL_PLUGIN_LOCATION),
         "file",
+        "stdin",
         "current_time",
         "append_type",
         "ssh",
@@ -99,6 +101,16 @@ def main():
     logger.add(*plugins.logger.active)
     plugins.activate()
 
+    for plugin_type in [ "source", "name", "upload" ]:
+        plugins_of_type = getattr(plugins, plugin_type)
+        if len(plugins_of_type.active) == 0:
+            logger.error(f"Error: No '{plugin_type}' plugins activated. Available plugins:")
+            for plugin in plugins_of_type.inactive:
+                logger.error(f" => {plugin.name}")
+            sys.exit(1)
+    if len(plugins.location.active) == 0 and len(plugins.feedback.active) > 0:
+        logger.warn("Warning: 'feedback' plugins activated with no active 'location' plugins")
+
     sources = []
     for plugin in plugins.source.active:
         sources.append(plugin.get_source())
diff --git a/src/sshare/plugins/config.py b/src/sshare/plugins/config.py
index 31c18d8..6df34ed 100644
--- a/src/sshare/plugins/config.py
+++ b/src/sshare/plugins/config.py
@@ -75,8 +75,8 @@ class Argument:
 
     def add(self, arg_parser):
         flags = []
-        if self._short: flags.append(f"-{self._short}")
-        if self._long:  flags.append(f"--{self._long}")
+        if self._short != None: flags.append(f"-{self._short}")
+        if self._long  != None: flags.append(f"--{self._long}")
         kwargs = self._kwargs | {
             "dest": self.dest()
         }
diff --git a/src/sshare/plugins/default/current_time.py b/src/sshare/plugins/default/current_time.py
index 03c1692..062ff86 100644
--- a/src/sshare/plugins/default/current_time.py
+++ b/src/sshare/plugins/default/current_time.py
@@ -22,9 +22,6 @@ plugin_type = "name"
 config = {
     "base": 62,
 }
-args = {
-    "base": Argument(help="Set the numeric base to use for the current time"),
-}
 
 def init():
     if not isinstance(config.base, int):
diff --git a/src/sshare/plugins/default/stdin.py b/src/sshare/plugins/default/stdin.py
new file mode 100644
index 0000000..df359e4
--- /dev/null
+++ b/src/sshare/plugins/default/stdin.py
@@ -0,0 +1,31 @@
+# This file is part of SSHare.
+#
+# SSHare 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.
+#
+# SSHare 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
+# SSHare. If not, see <https://www.gnu.org/licenses/>.
+
+import sys
+
+from sshare.plugins.config import Flag
+from sshare.plugins.source import Raw
+
+plugin_type = "source"
+
+activate = { "stdin" }
+config = {
+    "suffix": "txt"
+}
+args = {
+    "stdin": Flag(help="Upload from stdin")
+}
+
+def get_source():
+    return Raw(config.suffix, sys.stdin.buffer.read())