Finding variables by their value

Finding variables by their value

[Jim Crossley]

I thought I remembered seeing somewhere that it was possible to search
for lisp variables that had a particular value.  Anyone know if that's
possible?

Like, say my w3m can't get to http://localhost/blah because it's
using a proxy, and I know the hostname of the proxy, so I want to find
the variable that contains the proxy so I can unset it.  What's the
command that says, "Show me the variable whose value contains X".

Thanks,
Jim

Re: Finding variables by their value

[Jesper Harder]

Jim Crossley <jim@crossleys.org> writes:

> I thought I remembered seeing somewhere that it was possible to search
> for lisp variables that had a particular value.  Anyone know if that's
> possible?

Yup,

,----[ C-h f apropos-value RET ]
| apropos-value is an interactive compiled Lisp function in `apropos'.
| It is bound to <menu-bar> <help-menu> <apropos> <apropos-value>.
| (apropos-value APROPOS-REGEXP &optional DO-ALL)
| 
| Show all symbols whose value's printed image matches APROPOS-REGEXP.
| With optional prefix DO-ALL or if `apropos-do-all' is non-nil, also looks
| at the function and at the names and values of properties.
| Returns list of symbols and values found.
| 
`----

Re: Finding variables by their value

[Laurent Martelli]

>>>>> "Jim" == Jim Crossley <jim@crossleys.org> writes:

  Jim> I thought I remembered seeing somewhere that it was possible to
  Jim> search for lisp variables that had a particular value.  Anyone
  Jim> know if that's possible?

M-x apropos-value

-- 
Laurent Martelli                        http://jac.aopsys.com/
laurent@bearteam.org                    http://www.bearteam.org/~laurent/