Shell fixes

core/src/main/java/io/xpipe/core/process/CommandControl.java

@@ -26,8 +26,16 @@ public interface CommandControl extends ProcessControl {
 
     CommandControl complex();
 
+    CommandControl notComplex();
+
     CommandControl workingDirectory(String directory);
 
+    default void execute() throws Exception {
+        try (var c = start()) {
+            c.discardOrThrow();
+        }
+    }
+
     ShellControl getParent();
 
     InputStream startExternalStdout() throws Exception;

core/src/main/java/io/xpipe/core/process/ShellDialect.java

@@ -13,6 +13,8 @@ import java.util.stream.Stream;
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
 public interface ShellDialect {
 
+    CommandControl createStreamFileWriteCommand(ShellControl shellControl, String file);
+
     default String getCdCommand(String directory){
         return "cd \"" + directory + "\"";
     }
@@ -101,9 +103,7 @@ public interface ShellDialect {
 
     String getFileMoveCommand(String oldFile, String newFile);
 
-    CommandControl getStreamFileWriteCommand(ShellControl processControl, String file);
-
-    String getTextFileWriteCommand(String content, String file);
+    CommandControl createTextFileWriteCommand(ShellControl parent, String content, String file);
 
     String getFileDeleteCommand(String file);
 

core/src/main/java/io/xpipe/core/store/ConnectionFileSystem.java

@@ -64,7 +64,7 @@ public class ConnectionFileSystem implements FileSystem {
     @Override
     public OutputStream openOutput(String file) throws Exception {
         return shellControl.getShellDialect()
-                        .getStreamFileWriteCommand(shellControl, shellControl.getOsType().normalizeFileName(file))
+                        .createStreamFileWriteCommand(shellControl, shellControl.getOsType().normalizeFileName(file))
                 .startExternalStdin();
     }