File:Read
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Available since: Gideros 2011.6
Description
Reads the file file, according to the given formats, which specify what to read. For each format, the function returns a string (or a number) with the characters read, or nil if it cannot read data with the specified format. When called without formats, it uses a default format that reads the entire next line (see below).
The available formats are
"*n": reads a number; this is the only format that returns a number instead of a string.
"*a": reads the whole file, starting at the current position. On end of file, it returns the empty string.
"*l": reads the next line (skipping the end of line), returning nil on end of file. This is the default format.
number: reads a string with up to this number of characters, returning nil on end of file. If number is zero, it reads nothing and returns an empty string, or nil on end of file.
(string), = file:read(format1...,)
'format1: (string) format '
...: (string) more optional formats optional
Returns (string) read string from file
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