escape prompt by default

examples/control-vector-generator/README.md

@@ -7,7 +7,7 @@ Related PRs:
 - (Issue) [Generate control vector using llama.cpp](https://github.com/ggerganov/llama.cpp/issues/6880)
 - [Add control-vector-generator example](https://github.com/ggerganov/llama.cpp/pull/7514)
 
-Example:
+## Examples
 
 ```sh
 # CPU only
@@ -21,5 +21,14 @@ Example:
 
 # To see help message
 ./control-vector-generator -h
-# Then, have a look at "control-vector-generator" section
+# Then, have a look at "control-vector" section
+```
+
+## Tips and tricks
+
+If your prompt have multiple lines (per prompt), convert the newline to escape sequence `\n`. For example:
+
+```
+<|im_start|>system\nAct like a person who is extremely happy.<|im_end|>
+<|im_start|>system\nYou are in a very good mood today<|im_end|>
 ```

examples/control-vector-generator/control-vector-generator.cpp

@@ -289,7 +289,7 @@ static std::string to_string(const T & val) {
     return ss.str();
 }
 
-static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool skip_empty_lines = false) {
+static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool skip_empty_lines) {
     std::vector<std::string> output;
     std::ifstream file(path);
     if (!file.is_open()) {
@@ -300,6 +300,7 @@ static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool
     while (std::getline(file, line)) {
         bool is_skip = skip_empty_lines && line.empty();
         if (!is_skip) {
+            string_process_escapes(line);
             output.push_back(line);
         }
     }
@@ -362,8 +363,8 @@ static void export_gguf(const std::vector<struct ggml_tensor *> & v_ctrl, const
  */
 static int prepare_entries(gpt_params & params, train_context & ctx_train) {
     // load prompts
-    std::vector<std::string> positive_prompts = ctrlvec_load_prompt_file(params.cvector_positive_file);
-    std::vector<std::string> negative_prompts = ctrlvec_load_prompt_file(params.cvector_negative_file);
+    std::vector<std::string> positive_prompts = ctrlvec_load_prompt_file(params.cvector_positive_file, true);
+    std::vector<std::string> negative_prompts = ctrlvec_load_prompt_file(params.cvector_negative_file, true);
     if (positive_prompts.size() != negative_prompts.size()) {
         fprintf(stderr, "number of positive and negative prompts must be equal\n");
         return 1;

examples/control-vector-generator/pca.hpp

@@ -11,6 +11,7 @@
 #endif
 
 #include <cstdio>
+#include <ctime>
 #include <string>
 #include <tuple>
 #include <vector>