Explain what os.read() returns at end of file.

This closes SF bug #550409.  Applying to release21-maint & release22-maint.
This commit is contained in:
Fred Drake 2002-05-01 03:31:42 +00:00
parent 7938fab285
commit a65375c3e3
1 changed files with 3 additions and 1 deletions

View File

@ -471,7 +471,9 @@ Availability: \UNIX, Windows.
\begin{funcdesc}{read}{fd, n}
Read at most \var{n} bytes from file descriptor \var{fd}.
Return a string containing the bytes read.
Return a string containing the bytes read. If the end of the file
referred to by \var{fd} has been reached, an empty string is
returned.
Availability: Macintosh, \UNIX, Windows.
Note: this function is intended for low-level I/O and must be applied