(emacs)Minibuffer File

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Minibuffers for File Names

   Sometimes the minibuffer starts out with text in it.  For example,
when you are supposed to give a file name, the minibuffer starts out
containing the "default directory", which ends with a slash.  This is
to inform you which directory the file will be found in if you do not
specify a directory.  For example, the minibuffer might start out with

     Find File: /u2/emacs/src/

where `Find File: ' is the prompt.  Typing `buffer.c' specifies the
file `/u2/emacs/src/buffer.c'.  To find files in nearby directories,
use `..'; thus, if you type `../lisp/simple.el', you will get the file
named `/u2/emacs/lisp/simple.el'.  Alternatively, you can kill with
`M-DEL' the directory names you don't want (Note: Words.).

   You can also type an absolute file name, one starting with a slash or
a tilde, ignoring the default directory.  For example, to find the file
`/etc/termcap', just insert that name, giving these minibuffer contents:

     Find File: /u2/emacs/src//etc/termcap

Two slashes in a row are not normally meaningful in a file name, but
they are allowed in GNU Emacs.  They mean, "ignore everything before the
second slash in the pair."  Thus, `/u2/emacs/src/' is ignored, and you
get the file `/etc/termcap'.

   If you set `insert-default-directory' to `nil', the default
directory is not inserted in the minibuffer.  This way, the minibuffer
starts out empty.  But the name you type, if relative, is still
interpreted with respect to the same default directory.

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