When you open a file in write-only mode (PLVfile.c_write) or append mode (PLVfile.c_append), you usually then want to write or put a line into that file. To do this, you will call the PLVfile.put_line procedure, whose header is shown below:
PROCEDURE put_line (file_in IN UTL_FILE.FILE_TYPE, line_in IN VARCHAR2);
Notice that you must provide a file handle to put a line in a file. You must, therefore, have already opened the file using one of the function versions of fopen.
PROCEDURE append_line (file_in IN VARCHAR2, line_in IN VARCHAR2);
You provide the file and the line you want appended on the end of the file. PLVfile automatically opens the file in append mode, writes the line using put_line, and then closes the file.
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