> From: "Philip Oakley" <philipoak...@iee.org>
> Recently there have been a couple of example commands that have a single
> dot '.' in the command line.
> In this case what is its proper meaning, that is, is it expanded by the
> bash shell, or by git it self, and what would its typical expanded
> version look like if it is the current dicetory e.g. fully qualified
> etc. ?
> (I ask as someone more familiar with Windows, so some of the linux stuff
> can still be a mystery ;-)
"." means the current directory. But it is interpreted as such by the
OS itself. The shell passes it to the program as the string ".", and
programs generally deal with "." without replacing it with the
absolute path of the current directory. When ".", or a path starting
with "./", is used in an OS call, the OS knows what directory is
designated. (Which could actually change if the program makes the
Extra strange: In Unix-like system, if, while the program is running,
you move that current directory to somewhere else in the file tree,
the absolute name of the program's current directory changes, of
course. But the directory's *identity* is unchanged, and the program
is generally unaware that the continents have shifted. Except when it
does actually matter, which can lead to remarkably puzzling bugs.
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