Difference between revisions of "Io"
From GiderosMobile
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=== Methods === | === Methods === | ||
− | [[io.close]] | + | [[io.close]] {{<translate>closes file, or the default output file</translate>}}<br/> |
− | [[io.flush]] | + | [[io.flush]] {{<translate>flushes the default output file</translate>}}<br/> |
− | [[io.input]] | + | [[io.input]] {{<translate>opens file in text mode, sets as default input file, or returns current default input file</translate>}}<br/> |
− | [[io.lines]] | + | [[io.lines]] {{<translate>open file in read mode, returns iterator function to return lines, nil ends</translate>}}<br/> |
− | [[io.open]] | + | [[io.open]] {{<translate>opens file in specified mode "[rawb ]", returns handle or nil</translate>}}<br/> |
− | [[io.output]] | + | [[io.output]] {{<translate>opens file in text mode, sets as default output file, or returns current default output file</translate>}}<br/> |
− | [[io.read]] | + | [[io.read]] {{<translate>reads file according to given formats, returns read values or nil</translate>}}<br/> |
− | [[io.tmpfile]] | + | [[io.tmpfile]] {{<translate>returns a handle for a temporary file, opened in update mode</translate>}}<br/> |
− | [[io.type]] | + | [[io.type]] {{<translate>returns "file" if obj is an open file handle, "close file" if closed, or nil if not a file handle</translate>}}<br/> |
− | [[io.write]] | + | [[io.write]] {{<translate>writes strings or numbers to file</translate>}}<br/> |
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=== Events === | === Events === | ||
=== Constants === | === Constants === | ||
|} | |} |
Revision as of 14:20, 23 August 2018
Supported platforms: android, ios, mac, pc
Available since: Gideros 2011.6
Description
Manages main input/output operations
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