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Richard M. Stallman 2000-03-09 13:59:23 +00:00
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commit f74bbbbf55
1 changed files with 12 additions and 5 deletions
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17
lispref/files.texi
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@ -1328,15 +1328,22 @@ be an integer). Only the low 12 bits of @var{mode} are used.
@defun set-default-file-modes mode
This function sets the default file protection for new files created by
Emacs and its subprocesses. Every file created with Emacs initially has
this protection. On Unix and GNU/Linux, the default protection is the
bitwise complement of the ``umask'' value.
this protection, or a subset of it (@code{write-region} will not give a
file execute permission even if the default file protection allows
execute permission). On Unix and GNU/Linux, the default protection is
the bitwise complement of the ``umask'' value.
The argument @var{mode} must be an integer. On most systems, only the
low 9 bits of @var{mode} are meaningful.
low 9 bits of @var{mode} are meaningful. You can use the Lisp construct
for octal character codes to enter @var{mode}; for example,
@example
(set-default-file-modes ?\644)
@end example
Saving a modified version of an existing file does not count as creating
the file; it does not change the file's mode, and does not use the
default file protection.
the file; it preserves the existing file's mode, whatever that is. So
the default file protection has no effect.
@end defun
@defun default-file-modes