fiopen
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## fiopen

fiopen — Opens a file in a specific mode.

## Description

fiopen can be used to open a file in one of the specified modes.

## Syntax

    ihandle fiopen ifilename, imode

## Initialization

ihandle -- a number which specifies this file.

ifilename -- the output file's name (in double-quotes).

imode -- choose the mode of opening the file. imode can be a value chosen among the following:

- 0 - open a text file for writing

- 1 - open a text file for reading

- 2 - open a binary file for writing

- 3 - open a binary file for reading

## Performance

fiopen opens a file to be used by the fout family of opcodes. It is safer to use it in the header section, external to any instruments. It returns a number, ihandle, which unequivocally refers to the opened file.

If fiopen is called on an already open file, it just returns the same handle again, and does not close the file.

Notice that fout and foutk can use either a string containing a file pathname, or a handle-number generated by fiopen. Whereas, with fouti and foutir, the target file can be only specified by means of a handle-number.

## See Also

ficlose fout, fouti, foutir, foutk

## Credits

Author: Gabriel Maldonado
Italy
1999

New in Csound version 3.56

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