Store currently selected item for locations in history stack. (For

directories anyway.)  Returns to where you were on the page.  Maybe
could do this for text files as well.
Allow download of text file currently being viewed with 'd'.

xtrn/go-for/go-for.js

@@ -50,7 +50,8 @@ const state = {
     history_idx: -1,
     host: 'gopher.floodgap.com',
     port: 70,
-    selector: ''
+    selector: '',
+    fn: ''
 };
 
 function is_link(str) {
@@ -186,24 +187,34 @@ function go_for(host, port, selector, type, skip_cache) {
     state.host = host;
     state.port = port;
     state.selector = selector;
+    set_address();
     set_status(format('%s %s:%s %s', type_map[type], host, port, selector));
     return fn;
 }
 
+function go_history() {
+    const loc = state.history[state.history_idx];
+    state.fn = go_for(loc.host, loc.port, loc.selector, loc.type);
+    print_document(false);
+    if (loc.type == '1') {
+        lowlight(state.doc[state.item], state.item);
+        state.item = loc.item;
+        state.history[state.history_idx].item = loc.item;
+        highlight(state.doc[state.item], state.item);
+        scrollbox.scroll_into_view(state.item);
+    }
+}
+
 function go_back() {
     if (state.history_idx <= 0) return;
     state.history_idx--;
-    const loc = state.history[state.history_idx];
-    const fn = go_for(loc.host, loc.port, loc.selector, loc.type);
-    print_document(fn);
+    go_history();
 }
 
 function go_forward() {
     if (state.history_idx >= state.history.length - 1) return;
     state.history_idx++;
-    const loc = state.history[state.history_idx];
-    const fn = go_for(loc.host, loc.port, loc.selector, loc.type);
-    print_document(fn);
+    go_history();
 }
 
 function go_get(host, port, selector, type, skip_history, skip_cache) {
@@ -214,31 +225,30 @@ function go_get(host, port, selector, type, skip_history, skip_cache) {
             host: host,
             port: port,
             selector: selector,
-            type: type
+            type: type,
+            item: -1
         };
     }
-    const fn = go_for(host, port, selector, type, skip_cache);
-    print_document(fn);
+    state.fn = go_for(host, port, selector, type, skip_cache);
+    print_document(true);
 }
 
 function next_link() {
-    var ret = state.item;
     for (var n = state.item + 1; n < state.doc.length; n++) {
         if (!is_link(state.doc[n].type)) continue;
-        ret = n;
+        state.item = n;
+        state.history[state.history_idx].item = n;
         break;
     }
-    return ret;
 }
 
 function previous_link() {
-    var ret = state.item;
     for (var n = state.item - 1; n >= 0; n--) {
         if (!is_link(state.doc[n].type)) continue;
-        ret = n;
+        state.item = n;
+        state.history[state.history_idx].item = n;
         break;
     }
-    return ret;
 }
 
 function lowlight(e, i) {
@@ -263,7 +273,7 @@ function highlight(e, i) {
 function set_address() {
     const a = console.attributes;
     console.home();
-    console.putmsg(format('\0014\001h\001w%s:%s%s', state.host, state.port, state.selector));
+    console.putmsg(format('\0014\001h\001w%s:%s %s', state.host, state.port, state.selector));
     console.cleartoeol(BG_BLUE|WHITE);
     console.attributes = a;
 }
@@ -285,12 +295,12 @@ function reset_display() {
     set_status('');
 }
 
-function print_document(fn) {
+function print_document(auto_highlight) {
     if (state.item_type == '1') {
         var item;
         var line;
         reset_display();
-        const f = new File(fn);
+        const f = new File(state.fn);
         var arr = [];
         f.open('r');
         while (!f.eof) {
@@ -312,14 +322,17 @@ function print_document(fn) {
         }
         f.close();
         scrollbox.load(arr);
-        state.item = next_link();
-        highlight(state.doc[state.item], state.item);
+        if (auto_highlight) {
+            next_link();
+            highlight(state.doc[state.item], state.item);
+        }
     } else if (state.item_type == '0' || state.item_type == '6') {
-        scrollbox.load(fn);
+        scrollbox.load(state.fn);
     } else if (['4', '5', '9', 'g', 'I'].indexOf(state.item_type) > -1) {
+        console.clear(BG_BLACK|LIGHTGRAY);
+        bbs.send_file(state.fn);
         reset_display();
-        bbs.send_file(fn);
-        set_status('');
+        go_back();
     }
 }
 
@@ -336,7 +349,7 @@ function main() {
             case '\t':
                 if (state.item_type == '1') {
                     lowlight(state.doc[state.item], state.item);
-                    state.item = next_link();
+                    next_link();
                     highlight(state.doc[state.item], state.item);
                     scrollbox.scroll_into_view(state.item);
                 }
@@ -345,7 +358,7 @@ function main() {
             case '`':
                 if (state.item_type == '1') {
                     lowlight(state.doc[state.item], state.item);
-                    state.item = previous_link();
+                    previous_link();
                     highlight(state.doc[state.item], state.item);
                     scrollbox.scroll_into_view(state.item);
                 }
@@ -396,6 +409,14 @@ function main() {
             case 'h':
                 go_get('go-for', 0, 'help.txt', '0');
                 break;
+            case 'd':
+                if (state.item_type == '0' || state.item_type == '6') {
+                    console.clear(BG_BLACK|LIGHTGRAY);
+                    bbs.send_file(state.fn);
+                    reset_display();
+                    go_get(state.host, state.port, state.selector, state.item_type, true, false);
+                }
+                break;
             default:
                 actioned = false;
                 break;