Support batch file rename in vidir

CHANGELOG

@@ -5,6 +5,7 @@ What's in?
 - Copy multiple file paths
 - Copy file paths when X is unavailable
 - Optionally quote individual file paths with single quotes on copy
+- Batch rename files in vidir from [moreutils](https://joeyh.name/code/moreutils/)
 - Use ISO 8601 date format in file details
 - New/changed/remapped shortcuts:
   - <kbd>^B</kbd> - show bookmark prompt (replaces <kbd>b</kbd>)

README.md

@@ -109,6 +109,7 @@ Have fun with it! PRs are welcome. Check out [#1](https://github.com/jarun/nnn/i
   - Sort by file name, modification time, size
 - Convenience
   - Create, rename files and directories
+  - Batch rename current directory entries in vidir (from moreutils)
   - Spawn SHELL (fallback sh) in the current directory
   - Copy absolute file paths with/without X (*easy* shell integration)
   - Change directory at exit (*easy* shell integration)
@@ -238,6 +239,7 @@ optional arguments:
               M | Full media info
               n | Create new
              ^R | Rename entry
+              R | Rename dir entries
               s | Toggle sort by size
           S, ^J | Toggle du mode
               t | Toggle sort by mtime
@@ -303,6 +305,7 @@ The following abbreviations are used in the detail view:
       export NNN_DE_FILE_MANAGER=nautilus
 - [mediainfo](https://mediaarea.net/en/MediaInfo) (or [exiftool](https://sno.phy.queensu.ca/~phil/exiftool/), if specified) is required to view media information
 - [atool](http://www.nongnu.org/atool/) is required to list and extract archives
+- vidir from [moreutils](https://joeyh.name/code/moreutils/) is used to batch rename entries in current directory
 
 #### Help
 

nnn.1

@@ -82,6 +82,8 @@ Show full media info
 Create a new file or directory
 .It Ic ^R
 Rename selected entry
+.It Ic R
+Rename directory entries
 .It Ic s
 Toggle sort by file size
 .It Ic S, ^J

nnn.c

@@ -281,7 +281,8 @@ static char * const utils[] = {
 	"xdg-open",
 #endif
 	"nlay",
-	"atool"
+	"atool",
+	"vidir"
 };
 
 /* Common strings */
@@ -641,7 +642,7 @@ appendfilepath(const char *path, const size_t len)
 		copybuflen += PATH_MAX;
 		pcopybuf = xrealloc(pcopybuf, copybuflen);
 		if (!pcopybuf) {
-			printmsg("no memory!\n");
+			printmsg("no memory!");
 			return FALSE;
 		}
 	}
@@ -1867,6 +1868,7 @@ show_help(char *path)
 	     "eM | Full media info\n"
 	     "en | Create new\n"
 	    "d^R | Rename entry\n"
+	     "eR | Rename dir entries\n"
 	     "es | Toggle sort by size\n"
 	 "aS, ^J | Toggle du mode\n"
 	     "et | Toggle sort by mtime\n"
@@ -3070,6 +3072,35 @@ nochange:
 			close(fd);
 			xstrlcpy(oldname, tmp, NAME_MAX + 1);
 			goto begin;
+		case SEL_RENAMEALL:
+			if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[5], NULL, 0)) {
+				printmsg("vidir missing");
+				goto nochange;
+			}
+
+			/* Save the program start dir */
+			tmp = getcwd(newpath, PATH_MAX);
+			if (tmp == NULL) {
+				printwarn();
+				goto nochange;
+			}
+
+			/* Switch to current path for readline(3) */
+			if (chdir(path) == -1) {
+				printwarn();
+				goto nochange;
+			}
+
+			spawn(utils[5], ".", NULL, NULL, F_NORMAL);
+
+			/* Change back to program start dir */
+			if (chdir(newpath) == -1)
+				printwarn();
+
+			/* Save current */
+			if (ndents > 0)
+				copycurname();
+			goto begin;
 		case SEL_HELP:
 			show_help(path);
 			break;

nnn.h

@@ -39,6 +39,7 @@ enum action {
 	SEL_OPEN,
 	SEL_NEW,
 	SEL_RENAME,
+	SEL_RENAMEALL,
 	SEL_HELP,
 	SEL_RUN,
 	SEL_RUNARG,
@@ -158,6 +159,8 @@ static struct key bindings[] = {
 	/* Show rename prompt */
 	{ CONTROL('R'),   SEL_RENAME,    "",     "" },
 	{ KEY_F(2),       SEL_RENAME,    "",     "" }, /* Undocumented */
+	/* Rename contents of current dir */
+	{ 'R',            SEL_RENAMEALL, "",     "" },
 	/* Show help */
 	{ '?',            SEL_HELP,      "",     "" },
 	/* Run command */