Index: lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableEditConfig.java
diff -u lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableEditConfig.java:1.2 lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableEditConfig.java:1.3
--- lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableEditConfig.java:1.2	Sun Mar 16 17:54:55 2008
+++ lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableEditConfig.java	Sun Mar 16 21:15:58 2008
@@ -2,11 +2,11 @@
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.codelutin.option.OptionActionRunnable;
-import org.codelutin.option.OptionAction;
 import org.codelutin.option.AbstractContext;
 import org.codelutin.option.Config;
 import org.codelutin.option.ConfigKey;
+import org.codelutin.option.OptionAction;
+import org.codelutin.option.OptionActionRunnable;
 
 /** @author chemit */
 public class OptionActionRunnableEditConfig implements OptionActionRunnable {
@@ -23,7 +23,7 @@
             configs[i] = context.getParser().getConfig(configKey);
         }
         javax.swing.JDialog ui = (javax.swing.JDialog) Class.forName(UI_FQN).newInstance();
-        ui.getClass().getMethod("init", AbstractContext.class,Config[].class).invoke(context,ui, new Object[]{configs});
+        ui.getClass().getMethod("init", AbstractContext.class, Config[].class).invoke(context, ui, new Object[]{configs});
         ui.setVisible(true);
     }
 }
\ No newline at end of file

Index: lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeConfig.java
diff -u lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeConfig.java:1.1 lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeConfig.java:1.2
--- lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeConfig.java:1.1	Sun Mar 16 11:08:27 2008
+++ lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeConfig.java	Sun Mar 16 21:15:58 2008
@@ -1,14 +1,67 @@
 package org.codelutin.option.actions;
 
-import org.codelutin.option.OptionActionRunnable;
-import org.codelutin.option.OptionAction;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import static org.codelutin.i18n.I18n._;
 import org.codelutin.option.AbstractContext;
+import org.codelutin.option.Config;
+import org.codelutin.option.ConfigKey;
+import org.codelutin.option.ConfigPropertyKey;
+import org.codelutin.option.Option;
+import org.codelutin.option.OptionAction;
+import org.codelutin.option.OptionActionRunnable;
 
 /** @author chemit */
 public class OptionActionRunnableChangeConfig implements OptionActionRunnable {
 
+    protected final Log log = LogFactory.getLog(getClass());
+
     public void run(OptionAction action, AbstractContext context) throws Exception {
         // Do nothing, this action is treated while init of config file
         //TODO transfert logic from config to here (to make change of behevior possible more easier)
+        // surcharge config
+
+        Option option = action.getOption();
+        String category = getCategory(context, option);
+
+        ConfigKey<?> configKey = context.getParser().getConfigKey(category);
+
+        Config config = context.getParser().getConfig(configKey);
+
+        if (config == null) {
+            return;
+        }
+
+        String key = option.getValuedArgumentValue(0, String.class, null, false);
+
+        String value = option.getValuedArgumentValue(1, String.class, null, false);
+
+        ConfigPropertyKey<?> propKey = config.getPropertyKey(key);
+
+        if (propKey == null) {
+            // fatal error , could not found a matching configuration property
+            throw new IllegalArgumentException(_("lutinutil.error.unfound.config.property", category, key));
+        }
+        Object oldVal = propKey.getCurrentValue();
+        config.setProperty(propKey, value);
+        Object newVal = propKey.getCurrentValue();
+
+        log.info(_("lutinutil.change.config.property", category, propKey, oldVal, newVal));
+
+
+    }
+
+    /**
+     * @param context current context
+     * @param option  the option to test
+     * @return the category of an IsisOptionConfig
+     */
+    protected String getCategory(AbstractContext context, Option option) {
+        String value = option.getConstantArgumentValue(-1);
+        if (value == null) {
+            value = "main";
+        }
+        ConfigKey<?> configKey = context.getParser().getConfigKey(value);
+        return configKey == null ? null : configKey.getCategory();
     }
 }

Index: lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeFileConfig.java
diff -u lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeFileConfig.java:1.1 lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeFileConfig.java:1.2
--- lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeFileConfig.java:1.1	Sun Mar 16 11:08:27 2008
+++ lutincommandline/src/java/org/codelutin/option/actions/OptionActionRunnableChangeFileConfig.java	Sun Mar 16 21:15:58 2008
@@ -3,12 +3,22 @@
 import org.codelutin.option.OptionActionRunnable;
 import org.codelutin.option.OptionAction;
 import org.codelutin.option.AbstractContext;
+import org.codelutin.option.Option;
+
+import java.io.File;
 
 /** @author chemit */
 public class OptionActionRunnableChangeFileConfig implements OptionActionRunnable {
 
     public void run(OptionAction action, AbstractContext context) throws Exception {
-        // Do nothing, this action is treated while init of config file
-        //TODO transfert logic from config to here (to make change of behevior possible more easier)
+
+        Option option = action.getOption();
+
+        File source = option.getValuedArgumentValue(0, File.class,null,false);
+
+        if (source.exists()) {
+            context.setSource(source);
+        }
+
     }
 }
\ No newline at end of file