make uuid more robust

README.md

@@ -242,6 +242,8 @@ require('telekasten').setup({
     prefix_title_by_uuid = false,
     -- file uuid type ("rand" or input for os.date()")
     uuid_type = "%Y%m%d%H%M",
+    -- UUID separator
+    uuid_sep = "-",
 
     -- following a link to a non-existing note will create it
     follow_creates_nonexisting = true,

doc/telekasten.txt

@@ -68,9 +68,12 @@ telekasten.setup({opts})
       extension    = ".md",
 
       -- prefix file with uuid
-      prefix_title_by_uuid = true,
+      prefix_title_by_uuid = false,
       -- file uuid type ("rand" or input for os.date such as "%Y%m%d%H%M")
       uuid_type = "%Y%m%d%H%M",
+      -- UUID separator
+      uuid_sep = "-",
+
 
       templates = '/path/to/directory',     -- path to templates
       extension = '.file extension',        -- file extension of note files
@@ -200,6 +203,12 @@ telekasten.setup({opts})
 
         Default: '%Y%m%d%H%M'
 
+                                            *telekasten.settings.uuid_sep*
+    uuid_sep: ~
+        Separator between UUID and title in filaneme.
+
+        Default: '-'
+
                                         *telekasten.settings.image_subdir*
     image_subdir: ~
         Path to the directory where pasted images should go to. Accepts

lua/telekasten.lua

@@ -56,6 +56,8 @@ M.Cfg = {
     prefix_title_by_uuid = false,
     -- file uuid type ("rand" or input for os.date()")
     uuid_type = "%Y%m%d%H%M",
+    -- UUID separator
+    uuid_sep = "-",
 
     -- following a link to a non-existing note will create it
     follow_creates_nonexisting = true,
@@ -157,7 +159,7 @@ local function random_variable(length)
     return res
 end
 
-local function getuuid(opts)
+local function get_uuid(opts)
     opts.prefix_title_by_uuid = opts.prefix_title_by_uuid
         or M.Cfg.prefix_title_by_uuid
     opts.uuid_type = opts.uuid_type or M.Cfg.uuid_type
@@ -173,6 +175,15 @@ local function getuuid(opts)
     return uuid
 end
 
+local function concat_uuid_title(uuid, title)
+    local sep = M.Cfg.uuid_sep or "-"
+    if uuid == nil then
+        return title
+    else
+        return uuid .. sep .. title
+    end
+end
+
 local function print_error(s)
     vim.cmd("echohl ErrorMsg")
     vim.cmd("echomsg " .. '"' .. s .. '"')
@@ -498,6 +509,9 @@ local function linesubst(line, title, dates, uuid)
     if dates == nil then
         dates = calculate_dates()
     end
+    if uuid == nil then
+        uuid = ""
+    end
 
     local substs = {
         hdate = dates.hdate,
@@ -1834,8 +1848,11 @@ local function on_create_with_template(opts, title)
     opts.new_note_location = opts.new_note_location or M.Cfg.new_note_location
     opts.template_handling = opts.template_handling or M.Cfg.template_handling
 
-    local uuid = getuuid(opts)
-    local pinfo = Pinfo:new({ title = uuid .. "-" .. title, opts })
+    local uuid = get_uuid(opts)
+    local pinfo = Pinfo:new({
+        title = concat_uuid_title(uuid, title),
+        opts,
+    })
     local fname = pinfo.filepath
     if pinfo.fexists == true then
         -- open the new note
@@ -1909,8 +1926,11 @@ local function on_create(opts, title)
         return
     end
 
-    local uuid = getuuid(opts)
-    local pinfo = Pinfo:new({ title = uuid .. "-" .. title, opts })
+    local uuid = get_uuid(opts)
+    local pinfo = Pinfo:new({
+        title = concat_uuid_title(uuid, title),
+        opts,
+    })
     local fname = pinfo.filepath
 
     if pinfo.fexists ~= true then
@@ -1929,7 +1949,7 @@ local function on_create(opts, title)
     find_files_sorted({
         prompt_title = "Created note...",
         cwd = pinfo.root_dir,
-        default_text = uuid .. "-" .. title,
+        default_text = concat_uuid_title(uuid, title),
         find_command = M.Cfg.find_command,
         attach_mappings = function(_, map)
             actions.select_default:replace(picker_actions.select_default)
@@ -2063,7 +2083,7 @@ local function FollowLink(opts)
             end
 
             if #pinfo.filepath > 0 then
-                local uuid = getuuid()
+                local uuid = get_uuid(opts)
                 create_note_from_template(
                     title,
                     uuid,