RE: subsitute for current file name in buffer in emacs

[Drew Adams]

> suppose i need to use the file name which is currently present in buffer
> opened before me in emacs ..
> now suppose it is a .cpp file  say abc.cpp
> now to compile this file i have to use        ...\g++  abc.cpp
>
> now  instead for putting abc.cpp  is there a variable or command which
> substitutes itself as the file name in current buffer  when used ?

ffap.el is one way (but some people find it overbearing).

http://www.emacswiki.org/cgi-bin/wiki/FindFileAtPoint

If you use Icicles, you can always use `M-.' to yank the file name (or
whatever) that is under the cursor into the minibuffer.

http://www.emacswiki.org/cgi-bin/wiki/Icicles_-_Inserting_Text_from_Cursor