Read-File

(read-descr file) -> string or #f
(read-descr file integer) -> value

Reads from the given <file>. If given the optional integer argument, it returns only that number of bytes.

Examples:

>> (define a (open-file "test.txt" "r"))
:: [fileopen test.txt]
>> (read-file a)
:: "Just testing."
>> (read-file a)
:: #f
>> (read-file a 1)
:: "J"