webmcp
view framework/env/tempstore/pop.lua @ 380:16baed4c0483
Extended _column_info table to be an associative array as well (in addition to a sequence); Allow direct (proxy) access to fields of JSON object in a special column (completed write access)
| author | jbe |
|---|---|
| date | Mon Nov 16 01:33:02 2015 +0100 (2015-11-16) |
| parents | 2cb27106aa73 |
| children |
line source
1 --[[--
2 blob = -- loaded string
3 tempstore.pop(
4 key -- key as returned by tempstore.save(...)
5 )
7 This function restores data, which had been stored temporarily by tempstore.save(...). After loading the data, it is deleted from the tempstore automatically.
9 --]]--
11 function tempstore.pop(key)
12 local filename = encode.file_path(
13 WEBMCP_BASE_PATH, 'tmp', "tempstore-" .. key .. ".tmp"
14 )
15 local file = io.open(filename, "r")
16 if not file then return nil end
17 local blob = file:read("*a")
18 io.close(file)
19 os.remove(filename)
20 return blob
21 end