Difference between revisions of "X File"
From GiderosMobile
Line 23: | Line 23: | ||
| style="width: 50%; vertical-align:top;"| | | style="width: 50%; vertical-align:top;"| | ||
=== <translate>Methods</translate> === | === <translate>Methods</translate> === | ||
− | [[Special:MyLanguage/file:close|file:close]] ''<translate>closes file</translate>''<br/><!-- GIDEROSMTD:file:close --> | + | [[Special:MyLanguage/file:close|file:close]] ''<translate>closes file</translate>''<br/><!-- GIDEROSMTD:file:close() closes file --> |
− | [[Special:MyLanguage/file:flush|file:flush]] ''<translate>saves any written data to file</translate>''<br/><!-- GIDEROSMTD:file:flush --> | + | [[Special:MyLanguage/file:flush|file:flush]] ''<translate>saves any written data to file</translate>''<br/><!-- GIDEROSMTD:file:flush() saves any written data to file --> |
− | [[Special:MyLanguage/file:lines|file:lines]] ''<translate>returns iterator function to return lines, nil ends</translate>''<br/><!-- GIDEROSMTD:file:lines --> | + | [[Special:MyLanguage/file:lines|file:lines]] ''<translate>returns iterator function to return lines, nil ends</translate>''<br/><!-- GIDEROSMTD:file:lines() returns iterator function to return lines, nil ends --> |
− | [[Special:MyLanguage/file:read|file:read]] ''<translate>reads file according to given formats, returns read values or nil</translate>''<br/><!-- GIDEROSMTD:file:read --> | + | [[Special:MyLanguage/file:read|file:read]] ''<translate>reads file according to given formats, returns read values or nil</translate>''<br/><!-- GIDEROSMTD:file:read(format1,...) reads file according to given formats, returns read values or nil --> |
− | [[Special:MyLanguage/file:seek|file:seek]] ''<translate>sets file pos, whence="set"|"cur"|"end", defaults "curr",0, returns file pos</translate>''<br/><!-- GIDEROSMTD:file:seek --> | + | [[Special:MyLanguage/file:seek|file:seek]] ''<translate>sets file pos, whence="set"|"cur"|"end", defaults "curr",0, returns file pos</translate>''<br/><!-- GIDEROSMTD:file:seek(whence,offset) sets file pos, whence="set"|"cur"|"end", defaults "curr",0, returns file pos --> |
− | [[Special:MyLanguage/file:write|file:write]] ''<translate>writes strings or numbers to file</translate>''<br/><!-- GIDEROSMTD:file:write --> | + | [[Special:MyLanguage/file:write|file:write]] ''<translate>writes strings or numbers to file</translate>''<br/><!-- GIDEROSMTD:file:write(value1,...) writes strings or numbers to file --> |
| style="width: 50%; vertical-align:top;"| | | style="width: 50%; vertical-align:top;"| | ||
=== <translate>Events</translate> === | === <translate>Events</translate> === | ||
=== <translate>Constants</translate> === | === <translate>Constants</translate> === | ||
|} | |} |
Revision as of 15:32, 13 September 2018
Supported platforms:
Available since: Gideros 2011.6
Description
file object is usually returned by io.open used to manipulate (read and write) files in lua
Examples
Copy a file
local function copy(src, dst)
local srcf = io.open(src, "rb")
local dstf = io.open(dst, "wb")
local size = 2^13 -- good buffer size (8K)
while true do
local block = srcf:read(size)
if not block then break end
dstf:write(block)
end
srcf:close()
dstf:close()
end
Methodsfile:close closes file |
EventsConstants |