The function reads an entire line from the
specified file. The row can be completed by LF sign (Unix format), CR (Mac format)
or CR LF (Dos format).
Declaration
TEXT %FIO_ReadLine(
INT in handle
)
Parameters
handle
Value of a file, returned by the function
%FIO_OpenRead.
Return value
Read line without the sign of row completion or invalid value otherwise - value of the parameter
handle doesn't represent an open file, or the entire file was
read (no more lines).