From 41f80f1f60242dd1e07a9e5d4ef90d2ae0488d36 Mon Sep 17 00:00:00 2001
From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Fri, 20 Mar 2020 23:46:58 +0530
Subject: [PATCH] Key > to export file list

---
 nnn.1     |  1 +
 src/nnn.c | 46 +++++++++++++++++++++++++++++++++++++++++++---
 src/nnn.h |  2 ++
 3 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/nnn.1 b/nnn.1
index 84b184cb..eff3f1c4 100644
--- a/nnn.1
+++ b/nnn.1
@@ -213,6 +213,7 @@ in \fBnav-as-you-type\fR mode:
    .   | Show hidden files
    ;   | Run a plugin by its key
    =   | Launch a GUI application
+   >   | Export file list
    @   | Visit start dir
    ]   | Show command prompt
    `   | Visit /
diff --git a/src/nnn.c b/src/nnn.c
index c47c0c55..4bca0e6e 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -516,8 +516,9 @@ static char * const utils[] = {
 #define MSG_ORDER 37
 #define MSG_LAZY 38
 #define MSG_IGNORED 39
+#define MSG_RM_TMP 40
 #ifndef DIR_LIMITED_SELECTION
-#define MSG_DIR_CHANGED 40 /* Must be the last entry */
+#define MSG_DIR_CHANGED 41 /* Must be the last entry */
 #endif
 
 static const char * const messages[] = {
@@ -561,6 +562,7 @@ static const char * const messages[] = {
 	"'a'u / 'd'u / 'e'xtn / 'r'ev / 's'ize / 't'ime / 'v'er / 'c'lear?",
 	"unmount failed! try lazy?",
 	"ignoring invalid paths...",
+	"remove tmp file?",
 #ifndef DIR_LIMITED_SELECTION
 	"dir changed, range sel off", /* Must be the last entry */
 #endif
@@ -1440,6 +1442,39 @@ static bool selsafe(void)
 	return TRUE;
 }
 
+static void export_file_list(void)
+{
+	int fd, r = 0;
+	struct entry *pdent = dents;
+
+	if (!ndents)
+		return;
+
+	fd = create_tmp_file();
+	if (fd == -1) {
+		DPRINTF_S(strerror(errno));
+		return;
+	}
+
+	for (; r < ndents; ++pdent, ++r) {
+		if (write(fd, pdent->name, pdent->nlen - 1) != (pdent->nlen - 1))
+			break;
+
+		if ((r != ndents - 1) && (write(fd, "\n", 1) != 1))
+			break;
+	}
+
+	if (close(fd)) {
+		DPRINTF_S(strerror(errno));
+	}
+
+	spawn(editor, g_tmpfpath, NULL, NULL, F_CLI);
+
+	r = get_input(messages[MSG_RM_TMP]);
+	if (xconfirm(r))
+		unlink(g_tmpfpath);
+}
+
 /* Initialize curses mode */
 static bool initcurses(void *oldmask)
 {
@@ -2532,6 +2567,7 @@ static int filterentries(char *path, char *lastname)
 				case '.': // fallthrough /* Show hidden files */
 				case ';': // fallthrough /* Run plugin key */
 				case '=': // fallthrough /* Launch app */
+				case '>': // fallthrough /* Export file list */
 				case '@': // fallthrough /* Visit start dir */
 				case ']': // fallthorugh /* Prompt key */
 				case '`': // fallthrough /* Visit / */
@@ -4041,9 +4077,9 @@ static void show_help(const char *path)
 		  "cz  Archive%-17ce  Edit in EDITOR\n"
 	   "5Space ^J  (Un)select%-11cm ^K  Mark range/clear\n"
 	       "9p ^P  Copy sel here%-11ca  Select all\n"
-	       "9v ^V  Move sel here%-8cw ^W  Copy/move sel as\n"
+	       "9v ^V  Move sel here%-8cw ^W  cp/mv sel as\n"
 	       "9x ^X  Delete%-18cE  Edit sel\n"
-	          "c*  Toggle exe%-0c\n"
+	          "c*  Toggle exe%-14c>  Export list\n"
 		"1MISC\n"
 	       "9; ^S  Select plugin%-11c=  Launch app\n"
 	       "9! ^]  Shell%-19c]  Cmd prompt\n"
@@ -6220,6 +6256,10 @@ nochange:
 				cfg.picker ? selbufpos = 0 : write_lastdir(path);
 			free(mark);
 			return sel == SEL_QUITFAIL ? _FAILURE : _SUCCESS;
+		case SEL_EXPORT:
+			export_file_list();
+			cfg.filtermode ?  presel = FILTER : statusbar(path);
+			goto nochange;
 		default:
 			if (xlines != LINES || xcols != COLS)
 				setdirwatch(); /* Terminal resized */
diff --git a/src/nnn.h b/src/nnn.h
index a832939a..f0c03b16 100644
--- a/src/nnn.h
+++ b/src/nnn.h
@@ -96,6 +96,7 @@ enum action {
 	SEL_QUITCD,
 	SEL_QUIT,
 	SEL_QUITFAIL,
+	SEL_EXPORT,
 #ifndef NOMOUSE
 	SEL_CLICK,
 #endif
@@ -247,6 +248,7 @@ static struct key bindings[] = {
 	{ CONTROL('Q'),   SEL_QUIT },
 	/* Quit with an error code */
 	{ 'Q',            SEL_QUITFAIL },
+	{ '>',            SEL_EXPORT },
 #ifndef NOMOUSE
 	{ KEY_MOUSE,      SEL_CLICK },
 #endif