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class:: UnixFILE
summary:: An abstract class
related:: Classes/File, Classes/Pipe
categories:: Files
InstanceMethods::
private::prGetLine, addOpenFile
method::isOpen
Returns whether the file is open. An open request can fail if a file cannot be found for example. This method lets you test that the open call succeeded.
method::pos
Answer the current file position
argument::offset
an offset in bytes.
argument::origin
one of the following link::Classes/Integer::s:
definitionList::
## 0 || seek from beginning of file.
## 1 || seek from current position in file.
## 2 || seek from end of file.
::
method::write
Writes an item to the file.
argument::item
one of the following:
definitionList::
## link::Classes/Float:: ||
## link::Classes/Integer:: ||
## link::Classes/Char:: ||
## link::Classes/Color:: ||
## link::Classes/Symbol:: || writes the name of the Symbol as a C string.
## link::Classes/RawArray:: || write the bytes from any RawArray in big endian.
::
method::getLine
reads and returns a link::Classes/String:: up to lesser of next newline or 1023 chars.
method::getChar
read one byte and return as a link::Classes/Char::.
method::getInt8
read one byte and return as a link::Classes/Integer::.
method::getInt16
read two bytes and return as an link::Classes/Integer::.
method::getInt32
read four bytes and return as an link::Classes/Integer::.
method::getFloat
read four bytes and return as a link::Classes/Float::.
method::getDouble
read eight bytes and return as a link::Classes/Float::.
method::getPascalString
Reads the next byte as an unsigned integer N, then reads the following N bytes and returns them as a link::Classes/String::.
method::putChar
write a link::Classes/Char:: as one byte.
method::putInt8
write an link::Classes/Integer:: as one byte. That is a signed link::Classes/Integer:: value between -128 and 127.
method::putInt16
write an link::Classes/Integer:: as two bytes.
method::putInt32
write an link::Classes/Integer:: as four bytes.
method::putFloat
write a link::Classes/Float:: as four bytes.
method::putDouble
write a link::Classes/Float:: as eight bytes.
method::putString
write a null terminated link::Classes/String::.
method::putPascalString
Writes code::aString:: preceded by its length represented as a single byte.
Throws an error if code::aString:: is longer than 255 characters.
method::putString0
Writes code::aString:: followed by a zero byte, like a null-terminated C string.
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