%FIO_OpenAppend function


Function
The function opens the specified file for writing at the end (appending).
Declaration
INT %FIO_OpenAppend(
   TEXT in fileName
 [,BOOL in utf8 = @FALSE | ,TEXT in encoding = "@APP_DEFAULT@"]]
 )

Parameters
fileName Name of the file to open.
utf8 Optional parameter of Boolean type. If it is not written its alternate value is @FALSE.

If the value is @TRUE, the file is supposed to be text-based and its content is encoded in UTF-8. When file encoded by UTF-8 is being read a possible BOM is omitted (characters 0xEF, 0xBB, 0xBF).

encoding Optional parameter of Text type. If it is not defined, its default value is "@APP_DEFAULT@".
The list of supported encodings in ESL.

Return value
Zero - cannot open the file, nonzero - file opened.

Value of the parameter is used later when calling other %FIO_* functions, which need it. Value is valid within the ESL script instance, the function was called from.


Note
Having finished work with the file, it must be closed by calling the function %FIO_Close. If execution of ESL script is terminated early, the process D2000 EventHandler will automatically close all open files.

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