Added functional pipes. Still need a larger refactor.

stubb

@@ -1,6 +1,6 @@
 #!/usr/bin/env lua
 
-local version = 'v0.8.8'
+local version = 'v0.9.0'
 local socket = require("socket")
 local urlparser = require("socket.url")
 local separator = '- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n'
@@ -362,6 +362,8 @@ function pipe()
     open_in_tab()
   elseif subkey == 'r' then
     open_in_less()
+  else
+    print('Invalid entry')
   end
 end
 
@@ -524,6 +526,8 @@ function open_in_less()
     local less = io.popen('less', 'w')
     less:write(str)
     less:close()
+  else
+    print('No current URL to open in less')
   end
 end
 
@@ -574,6 +578,10 @@ function remove_tab()
     local item = session.tabs[id]
     if item then
       table.remove(session.tabs, id)
+      if #session.tabs < session.current_tab then
+        session.current_tab = #session.tabs
+        refresh()
+      end
       print('Tab has been removed')
     else
       print('Invalid tab id')
@@ -594,15 +602,23 @@ function save_file()
   io.write('Save to disk: (C)urrent, (L)ink')
   local subkey = getch()
   local out
+  local t = session.tabs[session.current_tab]
   if subkey == 'c' then
     local t = session.tabs[session.current_tab]
     out = t.filedata
     if not out then return print('No file available. Save cancelled.') end
   elseif subkey == 'l' then
-    local linkid = io.read()
-    local location = t.currentlinks[linkid]
-    -- handle getting data from the link
-    -- maybe set a flag on the get from url to return the data?
+    io.write('Enter link id (! to cancel): ')
+    local linkid = tonumber(io.read())
+    if linkid == '!' then return print('Cancelled') end
+    local location = t.current_links[linkid]
+    if location then
+      local parsed = parse_url(location)
+      out = request_gopher(parsed.host, parsed.port, parsed.path)
+      if not out then return print('No file data available. Save cancelled.') end
+    else
+      return print('Invalid link id. Save cancelled.')
+    end
   end
   local homedir = assert(os.getenv('HOME'), 'Unable to find home directory')
   io.write('Enter the filename to save as (! to cancel): ' .. homedir .. '/')