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Note that when inplace=1 existing backup files will be removed silently. 

Closes SF bug #420230.
This commit is contained in:
Fred Drake 2001-05-09 03:24:55 +00:00
parent fb1f68ed7c
commit 1ef24e1b30
1 changed files with 5 additions and 2 deletions
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7
Doc/lib/libfileinput.tex
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@ -47,7 +47,9 @@ The following function is the primary interface of this module:
inplace\optional{, backup}}}}
Create an instance of the \class{FileInput} class. The instance
will be used as global state for the functions of this module, and
is also returned to use during iteration.
is also returned to use during iteration. The parameters to this
function will be passed along to the constructor of the
\class{FileInput} class.
\end{funcdesc}
@ -118,7 +120,8 @@ module is available for subclassing as well:
\strong{Optional in-place filtering:} if the keyword argument
\code{\var{inplace}=1} is passed to \function{input()} or to the
\class{FileInput} constructor, the file is moved to a backup file and
standard output is directed to the input file.
standard output is directed to the input file (if a file of the same
name as the backup file already exists, it will be replaced silently).
This makes it possible to write a filter that rewrites its input file
in place. If the keyword argument \code{\var{backup}='.<some
extension>'} is also given, it specifies the extension for the backup