Integrate batch renamer plugin

README.md

@@ -78,7 +78,7 @@ It runs smoothly on the Pi, [Termux](https://www.youtube.com/watch?v=AbaauM7gUJw
   - Run plugins and custom commands with hotkeys
   - FreeDesktop compliant trash (needs trash-cli)
   - Cross-dir file/all/range selection
-  - Batch renamer (feature-limited) for selection or dir
+  - Batch renamer for selection or dir
   - Display a list of files from stdin
   - Copy (as), move (as), delete, archive, link selection
   - Dir updates, notification on cp, mv, rm completion

plugins/README.md

@@ -27,7 +27,7 @@ Plugins are installed to `${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins`.
 | Plugin (a-z) | Description | Lang | Deps |
 | --- | --- | --- | --- |
 | autojump | Navigate to dir/path (**autojump stores navigation patterns**) | sh | autojump |
-| batchrename | Batch file renamer | sh | mktemp |
+| batchrename | Batch rename selection or dir entries | sh | mktemp |
 | boom | Play random music from dir | sh | [moc](http://moc.daper.net/) |
 | dups | List non-empty duplicate files in current dir | sh | find, md5sum,<br>sort uniq xargs |
 | chksum | Create and verify checksums | sh | md5sum,<br>sha256sum |

plugins/batchrename

@@ -2,6 +2,15 @@
 
 # Description: An almost fully POSIX compliant batch file renamer
 #
+# Note: nnn auto-detects and invokes this plugin if available
+#
+# Capabilities:
+#    1. Basic file rename
+#    2. Detects order change
+#    3. Can move files
+#    4. Can remove files
+#    5. Switch number pairs to swap filenames
+#
 # Shell: POSIX compliant
 # Author: KlzXS
 

src/nnn.c

@@ -431,6 +431,7 @@ static uchar g_states;
 #define UTIL_FZY 16
 #define UTIL_NTFY 17
 #define UTIL_CBCP 18
+#define UTIL_BATCHRENAME 19
 
 /* Utilities to open files, run actions */
 static char * const utils[] = {
@@ -469,6 +470,7 @@ static char * const utils[] = {
 	"fzy",
 	".ntfy",
 	".cbcp",
+	"batchrename",
 };
 
 /* Common strings */
@@ -681,7 +683,7 @@ static void move_cursor(int target, int ignore_scrolloff);
 static inline bool getutil(char *util);
 static size_t mkpath(const char *dir, const char *name, char *out);
 static char *xgetenv(const char *name, char *fallback);
-static void plugscript(const char *plugin, char *newpath, uchar flags);
+static bool plugscript(const char *plugin, char *newpath, const char *path, uchar flags);
 
 /* Functions */
 
@@ -4206,11 +4208,15 @@ static bool run_selected_plugin(char **path, const char *file, char *newpath, ch
 	return TRUE;
 }
 
-static void plugscript(const char *plugin, char *newpath, uchar flags)
+static bool plugscript(const char *plugin, char *newpath, const char *path, uchar flags)
 {
 	mkpath(plugindir, plugin, newpath);
-	if (!access(newpath, X_OK))
-		spawn(newpath, NULL, NULL, NULL, flags);
+	if (!access(newpath, X_OK)) {
+		spawn(newpath, NULL, NULL, path, flags);
+		return TRUE;
+	}
+
+	return FALSE;
 }
 
 static void launch_app(const char *path, char *newpath)
@@ -5601,7 +5607,8 @@ static bool browse(char *ipath, const char *session)
 			case SEL_RENAMEMUL:
 				endselection();
 
-				if (!batch_rename(path)) {
+				if (!plugscript(utils[UTIL_BATCHRENAME], newpath, path, F_CLI)
+				    && !batch_rename(path)) {
 					printwait(messages[MSG_FAILED], &presel);
 					goto nochange;
 				}
@@ -5657,7 +5664,7 @@ static bool browse(char *ipath, const char *session)
 			}
 
 			if (cfg.x11)
-				plugscript(utils[UTIL_CBCP], newpath, F_NOWAIT | F_NOTRACE);
+				plugscript(utils[UTIL_CBCP], newpath, NULL, F_NOWAIT | F_NOTRACE);
 
 			if (!nselected)
 				unlink(selpath);
@@ -5733,7 +5740,7 @@ static bool browse(char *ipath, const char *session)
 
 			writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */
 			if (cfg.x11)
-				plugscript(utils[UTIL_CBCP], newpath, F_NOWAIT | F_NOTRACE);
+				plugscript(utils[UTIL_CBCP], newpath, NULL, F_NOWAIT | F_NOTRACE);
 			continue;
 		case SEL_SELEDIT:
 			r = editselection();
@@ -5742,7 +5749,7 @@ static bool browse(char *ipath, const char *session)
 				printwait(messages[r], &presel);
 			} else {
 				if (cfg.x11)
-					plugscript(utils[UTIL_CBCP], newpath, F_NOWAIT | F_NOTRACE);
+					plugscript(utils[UTIL_CBCP], newpath, NULL, F_NOWAIT | F_NOTRACE);
 				cfg.filtermode ?  presel = FILTER : statusbar(path);
 			}
 			goto nochange;
@@ -5788,7 +5795,7 @@ static bool browse(char *ipath, const char *session)
 
 			/* Show notification on operation complete */
 			if (cfg.x11)
-				plugscript(utils[UTIL_NTFY], newpath, F_NOWAIT | F_NOTRACE);
+				plugscript(utils[UTIL_NTFY], newpath, NULL, F_NOWAIT | F_NOTRACE);
 
 			if (ndents)
 				copycurname();