Version v0.2.72 - Clean pipe mode output - suppressed startup messages for seamless piping

otp.c

@@ -134,18 +134,23 @@ int main(int argc, char* argv[]) {
     // Load preferences first
     load_preferences();
     
+    // Check for piped input first (before any output)
+    int is_pipe_mode = (argc == 1 && has_stdin_data());
+    
     // Check for OTP thumb drive on startup
     char otp_drive_path[512];
     if (detect_otp_thumb_drive(otp_drive_path, sizeof(otp_drive_path))) {
-        printf("Detected OTP thumb drive: %s\n", otp_drive_path);
-        printf("Using as default pads directory for this session.\n\n");
+        // Only show messages in interactive/command mode, not pipe mode
+        if (!is_pipe_mode) {
+            printf("Detected OTP thumb drive: %s\n", otp_drive_path);
+            printf("Using as default pads directory for this session.\n\n");
+        }
         strncpy(current_pads_dir, otp_drive_path, sizeof(current_pads_dir) - 1);
         current_pads_dir[sizeof(current_pads_dir) - 1] = '\0';
     }
     
-    // Check for piped input
-    if (argc == 1 && has_stdin_data()) {
-        // No arguments but has piped data - enter pipe mode for interactive pad selection
+    if (is_pipe_mode) {
+        // No arguments but has piped data - enter pipe mode
         char* piped_text = read_stdin_text();
         if (piped_text) {
             int result = pipe_mode(argc, argv, piped_text);
@@ -2409,36 +2414,37 @@ int pipe_mode(int argc, char* argv[], const char* piped_text) {
     (void)argc; // Suppress unused parameter warning
     (void)argv; // Suppress unused parameter warning
     
-    printf("Piped text received: \"%s\"\n\n", piped_text);
-    
-    // List available pads for selection
-    int pad_count = list_available_pads();
-    if (pad_count == 0) {
-        printf("No pads available. Generate a pad first.\n");
+    // Check if we have a default pad configured
+    char* default_pad = get_default_pad_path();
+    if (default_pad) {
+        // Verify the default pad exists and extract checksum
+        if (access(default_pad, R_OK) == 0) {
+            // Extract checksum from pad filename
+            char* filename = strrchr(default_pad, '/');
+            if (!filename) filename = default_pad;
+            else filename++; // Skip the '/'
+            
+            // Extract checksum (remove .pad extension)
+            if (strlen(filename) >= 68 && strstr(filename, ".pad")) {
+                char pad_checksum[65];
+                strncpy(pad_checksum, filename, 64);
+                pad_checksum[64] = '\0';
+                
+                free(default_pad);
+                
+                // Encrypt using the default pad (silent mode)
+                return encrypt_text(pad_checksum, piped_text);
+            }
+        }
+        
+        fprintf(stderr, "Error: Default pad not found or invalid: %s\n", default_pad);
+        free(default_pad);
         return 1;
     }
     
-    // Reopen stdin from the controlling terminal for interactive input
-    FILE* tty = fopen("/dev/tty", "r");
-    if (!tty) {
-        printf("Error: Cannot open terminal for input\n");
-        return 1;
-    }
-    
-    printf("\nEnter pad selection (number, checksum, or prefix): ");
-    fflush(stdout);
-    
-    char pad_input[MAX_HASH_LENGTH];
-    if (!fgets(pad_input, sizeof(pad_input), tty)) {
-        printf("Error: Failed to read pad selection\n");
-        fclose(tty);
-        return 1;
-    }
-    pad_input[strcspn(pad_input, "\n")] = 0;
-    fclose(tty);
-    
-    // Encrypt the piped text
-    return encrypt_text(pad_input, piped_text);
+    fprintf(stderr, "Error: No default pad configured for pipe mode\n");
+    fprintf(stderr, "Configure a default pad in ~/.otp/otp.conf\n");
+    return 1;
 }
 
 // Preferences management functions implementation